This glossary explains specialized acronyms used by cultural organizations across Media & Entertainment, from museum collections and conservation to performing-arts production and access. It helps leaders and practitioners in Cultural Institutions & Arts (Museums, Performing Arts) Practice interpret terms related to standards, funding, facilities, safety, audience service, and professional practice.
A B C D E F G H I L M N O P R S T U V W X
| A | |
| AAAM | Association of African American Museums: A professional organization supporting institutions and professionals who preserve and interpret African American history, art, and culture. |
| AAM | American Alliance of Museums: The principal U.S. museum membership and accreditation organization, providing standards, ethics guidance, assessment programs, and professional resources. |
| AAMD | Association of Art Museum Directors: A membership organization for art museum directors that issues influential guidance on governance, collections stewardship, provenance, acquisitions, and deaccessioning. |
| AAMG | Association of Academic Museums and Galleries: A professional network focused on museums, galleries, and collections embedded within colleges and universities. |
| AASLH | American Association for State and Local History: A U.S. association serving historical societies, historic sites, museums, archives, and other organizations that interpret local and regional history. |
| AAT | Art & Architecture Thesaurus: A Getty vocabulary used to describe art, architecture, material culture, conservation materials, object types, styles, and techniques consistently across collections systems. |
| ABTT | Association of British Theatre Technicians: A professional body that develops guidance, training, and codes of practice for theatre buildings, technical production, stage engineering, and backstage safety. |
| ACE | Arts Council England: England’s national development and public funding body for arts organizations, museums, libraries, artists, and cultural projects. |
| AD | Artistic Director: The senior artistic leader responsible for an organization’s creative vision, programming direction, artist relationships, and artistic standards. |
| AD | Audio Description: Spoken narration that communicates essential visual information to blind and low-vision visitors or audience members during performances, tours, films, and exhibitions. |
| ADA | Americans with Disabilities Act: U.S. civil-rights legislation requiring accessible facilities, services, programs, communications, and employment practices, including reasonable accommodations for visitors and performers. |
| AED | Automated External Defibrillator: A portable emergency device used to analyze heart rhythm and deliver a shock during suspected cardiac arrest, commonly included in venue emergency-response plans. |
| AEA | Actors’ Equity Association: The U.S. labor union representing professional actors and stage managers, whose agreements affect wages, working conditions, rehearsal rules, touring, and production operations. |
| AFM | American Federation of Musicians of the United States and Canada: A labor union representing professional musicians, including orchestra, opera, ballet, theatre, and touring performers. |
| AGMA | American Guild of Musical Artists: A U.S. labor organization representing opera singers, dancers, choristers, stage directors, choreographers, and certain production personnel. |
| AGVA | American Guild of Variety Artists: A U.S. labor union representing performers in variety entertainment, including certain live attractions, shows, and touring productions. |
| AHJ | Authority Having Jurisdiction: The public official or agency responsible for interpreting and enforcing applicable fire, building, electrical, occupancy, and life-safety requirements. |
| AIC | American Institute for Conservation: A U.S. professional organization that establishes ethical guidance, competencies, and resources for conserving cultural property. |
| AICCM | Australian Institute for the Conservation of Cultural Material: Australia’s professional organization for conservators and others responsible for the preservation of cultural collections. |
| ALD | Assistive Listening Device: A receiver or personal device that delivers amplified or clearer program audio to a user who is deaf or hard of hearing. |
| ALHFAM | Association for Living History, Farm and Agricultural Museums: A professional association supporting living-history interpretation, historic trades, museum agriculture, and immersive public programming. |
| ALS | Assistive Listening System: An accessibility system using technologies such as hearing loops, infrared transmission, or radio frequency to improve sound delivery for audience members with hearing loss. |
| AMaGA | Australian Museums and Galleries Association: Australia’s national membership organization for museums, galleries, cultural collections, and their professional workforce. |
| ANSI | American National Standards Institute: The organization coordinating U.S. voluntary consensus standards, including standards governing entertainment technology, rigging, machinery, and workplace safety. |
| AODA | Accessibility for Ontarians with Disabilities Act: Ontario legislation establishing accessibility requirements for customer service, information, communications, employment, transportation, and public spaces. |
| APAP | Association of Performing Arts Professionals: A U.S.-based membership organization connecting performing-arts presenters, producers, artists, agents, managers, and cultural leaders. |
| ARCS | Association of Registrars and Collections Specialists: A professional organization focused on registration, collections management, loans, insurance, shipping, documentation, and legal and ethical stewardship. |
| ARK | Archival Resource Key: A persistent identifier designed to provide durable links to digital objects, collection records, and other long-lived cultural resources. |
| ASHRAE | American Society of Heating, Refrigerating and Air-Conditioning Engineers: A standards organization whose environmental guidance informs temperature, humidity, ventilation, filtration, and energy decisions for collection spaces and performance facilities. |
| ASL | American Sign Language: A complete visual language used by many Deaf people in the United States and parts of Canada, often provided through interpreted performances, tours, and programs. |
| ASM | Assistant Stage Manager: A production team member who supports rehearsals, backstage coordination, performer calls, scene changes, props, and show execution under the stage manager. |
| ASTC | Association of Science and Technology Centers: A global association serving science centers, museums, discovery centers, and related organizations engaged in public science learning. |
| AV | Audiovisual: The integrated sound, video, projection, display, control, and playback equipment used in exhibitions, interpretation, events, and live productions. |
| B | |
| BECTU | Broadcasting, Entertainment, Communications and Theatre Union: A United Kingdom union representing technical, production, administrative, and creative workers across theatre and related entertainment sectors. |
| BMS | Building Management System: A centralized platform that monitors and controls building services such as heating, cooling, ventilation, lighting, alarms, and energy use, including conditions affecting collections. |
| BOH | Back of House: Nonpublic production and support areas such as stages, wings, dressing rooms, loading docks, workshops, storage rooms, and staff circulation spaces. |
| BSL | British Sign Language: The principal sign language used by Deaf communities in the United Kingdom and provided through interpreted cultural programs and performances. |
| BWS | Blue Wool Scale: A standardized one-to-eight scale used to classify the light sensitivity of materials and to plan safe exhibition duration and illumination exposure. |
| C | |
| CAP | Collections Assessment for Preservation: A U.S. program providing small and mid-sized institutions with professional assessments of collection care, buildings, policies, and preservation priorities. |
| CART | Communication Access Realtime Translation: Real-time conversion of spoken language into text for people who are deaf or hard of hearing during performances, lectures, meetings, and public programs. |
| CC | Closed Captioning: Text representing dialogue and relevant audio information that users can activate on supported media, devices, or displays. |
| CC0 | Creative Commons Zero: A public-domain dedication used by institutions to waive copyright and related rights in eligible digital collection data or reproductions as fully as the law permits. |
| CCI | Canadian Conservation Institute: A Canadian government institution providing conservation research, scientific services, training, publications, and emergency assistance for heritage collections. |
| CCO | Cataloging Cultural Objects: A data-content standard offering rules and examples for describing artworks, architecture, archaeological materials, and other cultural objects. |
| CCT | Correlated Color Temperature: A lighting characteristic expressed in kelvins that describes whether white light appears warmer or cooler, affecting exhibition appearance and production design. |
| CDP | Cultural Data Profile: A standardized data-collection framework used by arts and cultural organizations to report financial, operational, programmatic, and workforce information to funders and benchmarking platforms. |
| CDWA | Categories for the Description of Works of Art: A conceptual framework defining information categories for documenting artworks, architecture, groups, collections, and related visual resources. |
| CECA | Committee for Education and Cultural Action: An International Council of Museums committee supporting research and professional exchange in museum education, interpretation, learning, and cultural action. |
| CHIN | Canadian Heritage Information Network: A Canadian government network providing digital standards, collections-management resources, and online access infrastructure for heritage institutions. |
| CIDOC | International Committee for Documentation: An International Council of Museums committee that advances museum documentation, information management, terminology, and data interoperability. |
| CIDOC CRM | International Committee for Documentation Conceptual Reference Model: An ISO-standard ontology that enables cultural-heritage information from different systems and disciplines to be mapped, integrated, and exchanged. |
| CIE | Commission Internationale de l’Éclairage: The International Commission on Illumination develops authoritative frameworks for measuring light, color, vision, and photobiological effects relevant to exhibitions and performance spaces. |
| CITES | Convention on International Trade in Endangered Species of Wild Fauna and Flora: An international agreement controlling cross-border movement of protected species and materials, including ivory, feathers, skins, woods, and natural-history specimens in collections and loans. |
| CMA | Canadian Museums Association: Canada’s national association representing museums, galleries, heritage institutions, and museum professionals. |
| CMS | Collections Management System: A database platform used to document objects, provenance, locations, condition, rights, valuations, conservation, loans, exhibitions, and related collection activities. |
| CONA | Cultural Objects Name Authority: A Getty vocabulary that provides authoritative records and identifiers for works of art, architecture, and material culture. |
| COSTEP | Coordinated Statewide Emergency Preparedness: A collaborative model that brings cultural organizations and emergency-management agencies together to protect collections and improve disaster response and recovery. |
| CPR | Cardiopulmonary Resuscitation: An emergency procedure used when a person’s breathing or heartbeat has stopped, making staff training important in public venues and workplaces. |
| CRI | Color Rendering Index: A measure of how accurately a light source reveals colors relative to a reference source, informing exhibition lighting and stage-lighting selection. |
| D | |
| DACS | Describing Archives: A Content Standard: A U.S. standard governing the content and structure of archival descriptions, including personal papers and institutional records held by museums. |
| DAMS | Digital Asset Management System: A platform used to ingest, organize, preserve, retrieve, and distribute images, video, audio, documents, and associated metadata. |
| DCMS | Department for Culture, Media and Sport: The United Kingdom government department responsible for national policy affecting arts, museums, heritage, cultural property, and related sectors. |
| DDA | Disability Discrimination Act: Legislation used in several jurisdictions to prohibit disability discrimination and establish accessibility obligations for services, employment, and facilities. |
| DEAI | Diversity, Equity, Accessibility, and Inclusion: A sector framework for examining representation, institutional power, participation barriers, workplace practices, interpretation, collections, and public access. |
| DMX512 | Digital Multiplex 512: A standard digital-control protocol used to operate theatrical and architectural lighting, dimmers, moving lights, effects, and related equipment. |
| DOI | Digital Object Identifier: A persistent identifier used to cite and reliably locate digital publications, datasets, research outputs, and collection-related resources. |
| DPI | Dots per Inch: A measure of output or scanning resolution that affects the detail and reproduction quality of collection images and printed interpretive materials. |
| DS | Downstage: The area of a stage closest to the audience, used in blocking, direction, production plans, and technical communication. |
| DSM | Deputy Stage Manager: A role common in United Kingdom theatre that coordinates rehearsals and calls cues during performances, typically from the prompt desk. |
| E | |
| EAC-CPF | Encoded Archival Context—Corporate Bodies, Persons, and Families: An XML standard for representing authority information about the people and organizations connected with archival and museum collections. |
| EAD | Encoded Archival Description: An XML standard used to encode archival finding aids so collection descriptions can be searched, displayed, shared, and preserved consistently. |
| EAP | Emergency Action Plan: A documented set of responsibilities and procedures for evacuation, sheltering, communications, medical incidents, fire, severe weather, and other emergencies. |
| EMS | Environmental Monitoring System: Sensors, software, and reporting processes used to track temperature, relative humidity, light, pollutants, leaks, and other conditions affecting collections and facilities. |
| EN 16893 | Conservation of Cultural Heritage—Specifications for Location, Construction and Modification of Buildings or Rooms Intended for the Storage or Use of Heritage Collections: A European standard addressing building and room requirements for the safe storage, display, study, and handling of heritage collections. |
| ESTA | Entertainment Services and Technology Association: A trade association and accredited standards developer for entertainment technology, including lighting, rigging, control systems, and technical-production safety. |
| ETCP | Entertainment Technician Certification Program: A certification program validating technical competence in entertainment rigging, electrical work, and portable power distribution. |
| F | |
| FADGI | Federal Agencies Digital Guidelines Initiative: A U.S. collaborative program whose technical guidelines and star-rating framework inform high-quality digitization of cultural-heritage materials. |
| FAIC | Foundation for Advancement in Conservation: A nonprofit foundation supporting conservation education, research, emergency response, assessment programs, and public awareness in the United States. |
| FEMA | Federal Emergency Management Agency: The U.S. agency coordinating disaster preparedness, response, mitigation, and recovery, including assistance and guidance relevant to cultural institutions. |
| FOH | Front of House: Public-facing venue areas and operations, including entrances, lobbies, auditoriums, visitor services, concessions, coat checks, and audience management. |
| FTIR | Fourier-Transform Infrared Spectroscopy: An analytical technique used by conservation scientists to identify organic and inorganic materials such as binders, coatings, adhesives, polymers, and degradation products. |
| G | |
| GCC | Gallery Climate Coalition: An international charity providing tools and guidance to reduce carbon emissions, waste, and environmental impacts across museums, galleries, exhibitions, and art logistics. |
| GCI | Getty Conservation Institute: A research and education organization advancing the conservation of objects, sites, buildings, collections, and cultural heritage internationally. |
| GC-MS | Gas Chromatography–Mass Spectrometry: An analytical method used to separate and identify compounds in artists’ materials, coatings, adhesives, pollutants, and degradation products. |
| GLAM | Galleries, Libraries, Archives, and Museums: A collective term for memory and cultural institutions that often collaborate on collections stewardship, digitization, research, standards, and public access. |
| H | |
| HEPA | High-Efficiency Particulate Air: A filtration classification used for systems designed to remove very fine airborne particles from conservation laboratories, collection areas, and specialized cleaning equipment. |
| HVAC | Heating, Ventilation, and Air Conditioning: Building systems that regulate temperature, humidity, airflow, filtration, and indoor air quality for collections, visitors, performers, and staff. |
| I | |
| IATSE | International Alliance of Theatrical Stage Employees: A labor union representing stagehands, technicians, wardrobe personnel, scenic artists, and other entertainment-production workers in the United States and Canada. |
| ICC | International Color Consortium: An organization responsible for the color-management profile architecture used to maintain consistent color across cameras, scanners, monitors, printers, and digital files. |
| ICCROM | International Centre for the Study of the Preservation and Restoration of Cultural Property: An intergovernmental organization providing training, research, technical cooperation, and policy support for cultural-heritage conservation. |
| ICEE | International Committee for Exhibition Exchange: An International Council of Museums committee promoting professional practice in traveling exhibitions, partnerships, exchange, and international exhibition development. |
| ICMS | International Committee for Museum Security: An International Council of Museums committee focused on protecting collections, buildings, visitors, staff, information, and operations from security threats. |
| ICOM | International Council of Museums: A global membership organization establishing ethical guidance, professional networks, and international cooperation for museums and museum professionals. |
| ICOM-CC | International Council of Museums Committee for Conservation: A major international network through which conservators, scientists, curators, and collection professionals share research and conservation practice. |
| ICOMOS | International Council on Monuments and Sites: A global professional organization dedicated to conserving monuments, buildings, archaeological sites, cultural landscapes, and other place-based heritage. |
| IIC | International Institute for Conservation of Historic and Artistic Works: A global professional organization advancing conservation knowledge through publications, conferences, fellowships, and professional exchange. |
| IIIF | International Image Interoperability Framework: A set of open standards for delivering, viewing, comparing, annotating, and sharing high-resolution cultural-heritage images across institutions and platforms. |
| IMLS | Institute of Museum and Library Services: A U.S. federal agency that funds museums and libraries and supports research, collections care, digital initiatives, learning, and community engagement. |
| IPM | Integrated Pest Management: A preventive collections-care strategy combining inspection, monitoring, housekeeping, building maintenance, quarantine, and targeted treatment to control pests while minimizing chemical use. |
| IR | Infrared: Electromagnetic radiation beyond visible red light, used in imaging, reflectography, thermal analysis, remote controls, and some assistive-listening systems. |
| ISAAR(CPF) | International Standard Archival Authority Record for Corporate Bodies, Persons and Families: A standard for creating authority records that describe the people and organizations associated with archival holdings and collection histories. |
| ISAD(G) | General International Standard Archival Description: A framework for producing consistent, multilevel descriptions of archival fonds, series, files, and individual items. |
| ISIL | International Standard Identifier for Libraries and Related Organizations: An ISO identifier that uniquely distinguishes museums, archives, libraries, and similar organizations participating in resource exchange and shared systems. |
| ISO | International Organization for Standardization: A global standards body whose specifications cover museum indicators, cultural-heritage documentation, storage, emergency planning, environmental management, and information systems. |
| ISO 11799 | Information and Documentation—Document Storage Requirements for Archive and Library Materials: An international standard specifying characteristics of storage buildings and rooms used for long-term preservation of archival and library materials. |
| ISO 18461 | Information and Documentation—International Museum Statistics: An international framework defining museum statistical data for consistent reporting, comparison, planning, and sector analysis. |
| ISO 21110 | Information and Documentation—Emergency Preparedness and Response: An international standard guiding archives, libraries, and museums in preparing for emergencies that threaten collections and operations. |
| ISO 21246 | Information and Documentation—Key Indicators for Museums: An international standard defining indicators for evaluating museum resources, services, reach, efficiency, development, and social impact. |
| ISPA | International Society for the Performing Arts: A global network of performing-arts leaders, presenters, producers, festivals, venues, and cultural organizations. |
| L | |
| LD | Lighting Designer: The creative and technical professional responsible for the visual use of light, including fixture selection, color, focus, cueing, control, and coordination with other production disciplines. |
| LED | Light-Emitting Diode: An energy-efficient solid-state light source widely used in galleries, display cases, architectural lighting, and stage fixtures because of its controllability and low radiant heat. |
| LIDO | Lightweight Information Describing Objects: An XML harvesting schema designed to exchange museum and cultural-object information between collections databases, portals, and aggregators. |
| LOD | Linked Open Data: Structured, openly licensed data published with web identifiers and semantic relationships so collection information can connect across institutions and knowledge bases. |
| LOLER | Lifting Operations and Lifting Equipment Regulations: United Kingdom regulations governing the planning, supervision, examination, and safe use of lifting equipment, including theatrical rigging and performer-flying systems. |
| LORT | League of Resident Theatres: An association of U.S. nonprofit professional theatres that collectively bargains labor agreements and supports the resident-theatre sector. |
| LX | Electrics or Lighting: A theatre shorthand used for the lighting department, electrical positions, circuits, plans, cue numbers, and related production documentation. |
| M | |
| MA | Museums Association: A United Kingdom professional membership organization providing ethics guidance, advocacy, workforce development, and sector resources for museums and galleries. |
| MAP | Museum Assessment Program: A structured organizational assessment program that helps U.S. museums evaluate operations, collections stewardship, governance, community engagement, and institutional priorities. |
| MCN | Museum Computer Network: A professional community supporting digital strategy, technology, data, media, and innovation in museums and other cultural organizations. |
| MDF | Medium-Density Fibreboard: An engineered wood product frequently used in exhibition construction but evaluated carefully because adhesives and wood components can emit compounds harmful to sensitive objects. |
| ME | Master Electrician: The production professional responsible for implementing a lighting design, supervising electrical crews, distributing power, hanging and focusing fixtures, and maintaining electrical safety. |
| MERV | Minimum Efficiency Reporting Value: A rating indicating how effectively an air filter captures particles of different sizes, informing filtration choices for collection protection and indoor air quality. |
| METS | Metadata Encoding and Transmission Standard: An XML standard used to package descriptive, administrative, structural, and file-level metadata for complex digital objects. |
| MEWP | Mobile Elevating Work Platform: Powered access equipment used to reach lighting positions, scenery, ceilings, façades, and high exhibition elements, requiring trained operation and fall-risk controls. |
| MFT | Microfade Testing: A conservation-science technique that exposes a microscopic area to intense light to estimate an object’s light sensitivity and support exhibition decisions. |
| MIDI | Musical Instrument Digital Interface: A technical protocol used to transmit performance and control data among instruments, computers, playback systems, lighting consoles, and show-control equipment. |
| N | |
| NAGPRA | Native American Graves Protection and Repatriation Act: A U.S. law governing the rights of lineal descendants, Tribes, and Native Hawaiian organizations concerning human remains, funerary objects, sacred objects, and objects of cultural patrimony. |
| NARM | North American Reciprocal Museum Association: A reciprocal-admission network through which participating institutions extend specified membership benefits to eligible members of other organizations. |
| NASAA | National Assembly of State Arts Agencies: A U.S. association representing state and jurisdictional arts agencies and supporting public arts funding, research, advocacy, and policy development. |
| NC | Noise Criterion: A rating system used to evaluate background noise from mechanical and building systems in auditoriums, galleries, studios, and other acoustically sensitive spaces. |
| NDSA | National Digital Stewardship Alliance: A collaborative network that develops practical guidance, including levels of digital preservation, for organizations responsible for long-term access to digital content. |
| NEA | National Endowment for the Arts: An independent U.S. federal agency providing grants and national support for arts organizations, artists, cultural programs, research, and access initiatives. |
| NEH | National Endowment for the Humanities: An independent U.S. federal agency funding exhibitions, preservation, collections, research, education, and public humanities programs. |
| NEMO | Network of European Museum Organisations: A European network representing national museum bodies and promoting policy exchange, advocacy, research, and professional development. |
| NFPA | National Fire Protection Association: A standards organization whose codes address life safety, fire protection, electrical systems, pyrotechnics, flame effects, and occupancy risks in public venues. |
| NFPA 101 | Life Safety Code: A widely adopted code establishing occupant-protection requirements for egress, fire barriers, alarms, emergency lighting, crowd safety, and building use. |
| NFPA 1126 | Standard for the Use of Pyrotechnics Before a Proximate Audience: A safety standard governing pyrotechnic effects performed near audiences, performers, and support personnel. |
| NFPA 160 | Standard for the Use of Flame Effects Before an Audience: A safety standard addressing the design, permitting, operation, and supervision of flame effects used in live productions and attractions. |
| NGSS | Next Generation Science Standards: U.S. K–12 science-learning standards frequently used by science museums and education departments to align school programs, field trips, and learning resources. |
| NHPA | National Historic Preservation Act: A foundational U.S. law establishing historic-preservation programs and review processes relevant to historic sites, buildings, and federally connected cultural projects. |
| NHR | National Heritage Responders: A U.S. volunteer team of conservation professionals that advises cultural institutions and the public during emergencies affecting collections. |
| NIR | Near-Infrared: The portion of the infrared spectrum closest to visible light, used in noninvasive imaging and spectroscopy to examine materials and features beneath surfaces. |
| NISO | National Information Standards Organization: A U.S. standards body developing information-management specifications relevant to metadata, digital collections, identifiers, preservation, and discovery systems. |
| NLHF | National Lottery Heritage Fund: The United Kingdom’s largest dedicated funder of heritage projects, supporting collections, buildings, landscapes, participation, skills, and organizational resilience. |
| NPS | National Park Service: A U.S. federal agency responsible for extensive museum and archival collections and for influential guidance on museum records, preservation, storage, and historic properties. |
| NRR | Noise Reduction Rating: A laboratory-derived rating used to compare hearing-protection devices for staff exposed to high sound levels, machinery, construction, or production effects. |
| O | |
| OAI-PMH | Open Archives Initiative Protocol for Metadata Harvesting: A protocol that allows repositories and aggregators to collect standardized metadata records from museums, archives, libraries, and digital collections. |
| OAIS | Open Archival Information System: An ISO reference model defining the functions and information packages needed to preserve digital materials and keep them understandable over time. |
| Object ID | Object Identification Standard: An international documentation standard defining the minimum information needed to identify cultural objects and support theft prevention and recovery. |
| OC | Open Captioning: Dialogue and relevant sound information displayed so that all audience members can see it, without requiring activation or a personal device. |
| OSC | Open Sound Control: A network-based protocol used to exchange control messages among audio, lighting, media, interactive, and show-control systems. |
| OSHA | Occupational Safety and Health Administration: The U.S. agency that sets and enforces workplace requirements affecting shops, stages, laboratories, loading areas, exhibitions, and facilities operations. |
| P | |
| PACCIN | Preparation, Art Handling, Collections Care Information Network: A professional network sharing methods and resources for packing, crating, installation, transport, storage, mountmaking, and safe object handling. |
| PLASA | Professional Lighting and Sound Association: A membership body serving entertainment-technology companies and professionals through standards, training, industry research, events, and technical guidance. |
| PPE | Personal Protective Equipment: Protective clothing and equipment such as gloves, respirators, eye protection, helmets, and fall-arrest gear used to control residual workplace hazards. |
| PPI | Pixels per Inch: A measure of digital-image sampling or display density used when planning collection photography, scanning, reproduction, and image-delivery specifications. |
| PREMIS | Preservation Metadata: Implementation Strategies: A data dictionary defining metadata needed to preserve digital objects, document preservation events, record rights, and maintain authenticity over time. |
| PSM | Production Stage Manager: The lead stage-management professional responsible for coordinating rehearsals, communication, documentation, cueing, performance consistency, and the stage-management team. |
| PUWER | Provision and Use of Work Equipment Regulations: United Kingdom regulations requiring work equipment to be suitable, maintained, inspected, guarded, and operated by appropriately trained personnel. |
| pXRF | Portable X-Ray Fluorescence: A mobile, generally non-destructive analytical technique used to identify elemental composition in pigments, metals, ceramics, glass, and other collection materials. |
| R | |
| RDA | Resource Description and Access: A cataloging standard used to describe and provide access to library, archival, and special-collection resources in museum research environments. |
| RDF | Resource Description Framework: A World Wide Web Consortium data model for representing entities and relationships, forming a technical foundation for semantic cultural-heritage data. |
| RDM | Remote Device Management: A bidirectional extension to theatrical lighting control that allows compatible fixtures and devices to be configured, monitored, and diagnosed remotely. |
| RFID | Radio-Frequency Identification: Technology using electronic tags and readers to identify and track collection objects, equipment, cases, costumes, or other assets without direct visual scanning. |
| RH | Relative Humidity: The amount of water vapor in air relative to the maximum it can hold at the same temperature, a critical factor in material stability and collections preservation. |
| ROAM | Reciprocal Organization of Associated Museums: A reciprocal network through which participating museums offer designated admission and membership privileges to qualifying members of partner institutions. |
| RT60 | 60-Decibel Reverberation Time: The time required for sound energy in a room to decay by 60 decibels, a core measure when designing or evaluating auditorium and performance-space acoustics. |
| S | |
| SAA | Society of American Archivists: A U.S. professional association providing standards, education, ethics guidance, and resources for archival records and manuscript collections. |
| SDH | Subtitles for the Deaf and Hard of Hearing: Subtitles that include dialogue, speaker identification, and meaningful nonspeech audio information for accessible media and screenings. |
| SDS | Safety Data Sheet: A standardized document explaining a chemical product’s hazards, handling, storage, exposure controls, emergency measures, and disposal requirements. |
| SEL | Social and Emotional Learning: An educational framework used to design programs that build self-awareness, empathy, relationship skills, responsible decision-making, and emotional regulation. |
| SEM-EDS | Scanning Electron Microscopy with Energy-Dispersive X-Ray Spectroscopy: A combined imaging and elemental-analysis method used to examine material structure, pigments, corrosion, fibers, particles, and deterioration at microscopic scale. |
| SFR | Standard Facility Report: A structured document used by borrowing and lending institutions to evaluate a venue’s environmental, security, fire-protection, handling, staffing, and display capabilities. |
| SHPO | State Historic Preservation Office: A U.S. state-level office administering historic-preservation programs, surveys, grants, tax incentives, and reviews of projects affecting historic properties. |
| SKOS | Simple Knowledge Organization System: A World Wide Web Consortium standard for publishing thesauri, classifications, authority lists, and controlled vocabularies as linked data. |
| SL | Stage Left: The performer’s left side when facing the audience, used consistently in blocking, cueing, plans, and backstage communication. |
| SM | Stage Manager: The professional who coordinates rehearsals, maintains production documentation, facilitates communication, calls cues, and supports safe, consistent performances. |
| SMA | Stage Managers’ Association: A professional association supporting stage managers through networking, education, advocacy, mentoring, and practice resources. |
| SPL | Sound Pressure Level: A logarithmic measure of acoustic pressure, expressed in decibels, used to manage audience experience, system performance, and occupational noise exposure. |
| SR | Stage Right: The performer’s right side when facing the audience, used in blocking, technical plans, cueing, and production communication. |
| STC | Sound Transmission Class: A rating of how effectively a wall, floor, door, or other building assembly reduces airborne sound transmission between spaces. |
| STEAM | Science, Technology, Engineering, Arts, and Mathematics: An interdisciplinary learning framework frequently used to structure museum exhibitions, school programs, maker activities, and public engagement. |
| STEM | Science, Technology, Engineering, and Mathematics: A widely used educational framework informing programming, partnerships, and evaluation in science centers, children’s museums, and multidisciplinary institutions. |
| SWL | Safe Working Load: A traditional designation for the load that lifting or rigging equipment may safely handle under specified conditions; many standards now prefer working load limit terminology. |
| T | |
| TCG | Theatre Communications Group: A U.S. service organization for nonprofit theatre that provides research, publications, convening, grant programs, and professional development. |
| TD | Technical Director: The production leader responsible for technical planning, engineering, budgeting, fabrication, installation, scheduling, and coordination across stage departments. |
| TGN | Getty Thesaurus of Geographic Names: A structured vocabulary providing authoritative names, place types, coordinates, and hierarchical relationships for geographic locations associated with cultural objects. |
| THPO | Tribal Historic Preservation Officer: A representative designated by a federally recognized U.S. Tribe to administer historic-preservation responsibilities and participate in consultation affecting Tribal heritage. |
| TIFF | Tagged Image File Format: A flexible image format commonly used for high-quality preservation masters because it supports lossless storage, high bit depth, embedded metadata, and broad software compatibility. |
| TMS | The Museum System: A widely used proprietary collections-management platform supporting cataloging, locations, conservation, exhibitions, loans, shipping, insurance, and digital-media records. |
| U | |
| UBIT | Unrelated Business Income Tax: U.S. federal tax that may apply when a tax-exempt institution regularly earns income from activities not substantially related to its exempt purpose. |
| UDL | Universal Design for Learning: An educational framework that offers multiple ways to engage with content, access information, and demonstrate learning, supporting more inclusive programs and interpretation. |
| ULAN | Union List of Artist Names: A Getty vocabulary providing authoritative names, biographical details, relationships, and identifiers for artists, architects, firms, and other makers. |
| UNESCO | United Nations Educational, Scientific and Cultural Organization: A United Nations agency whose conventions and programs address cultural heritage, museums, intangible heritage, cultural diversity, illicit trafficking, and education. |
| UNIDROIT | International Institute for the Unification of Private Law: An intergovernmental organization whose 1995 convention establishes rules for claims involving stolen or illegally exported cultural objects. |
| URI | Uniform Resource Identifier: A standardized string that identifies a digital or conceptual resource, enabling stable references and linked-data relationships among collection entities. |
| US | Upstage: The area of a stage farthest from the audience, used in blocking, stage directions, plans, and production communication. |
| USITT | United States Institute for Theatre Technology: A professional association supporting theatre design, technology, production, architecture, education, standards, and technical innovation. |
| UV | Ultraviolet: High-energy radiation beyond visible violet light that can fade, yellow, weaken, or otherwise damage light-sensitive collection materials. |
| UV-Vis | Ultraviolet–Visible Spectroscopy: An analytical technique measuring how materials absorb or reflect ultraviolet and visible light, supporting pigment, dye, coating, and color-change analysis. |
| V | |
| VOC | Volatile Organic Compound: An easily vaporized carbon-based chemical that may be emitted by paints, adhesives, wood products, cleaning agents, and display materials, potentially affecting health and sensitive collections. |
| VRA | Visual Resources Association: A professional organization supporting image collections, digital assets, visual-resource management, metadata, intellectual property, and teaching resources. |
| VRA Core | Visual Resources Association Core: A metadata standard for describing works of visual culture and the images or other surrogates that document them. |
| VTS | Visual Thinking Strategies: A facilitated discussion method that uses open-ended questions and evidence-based observation to build visual literacy, critical thinking, and participation. |
| W | |
| WCAG | Web Content Accessibility Guidelines: International recommendations for making websites, digital collections, ticket information, online programs, and interactive content perceivable, operable, understandable, and robust. |
| WLL | Working Load Limit: The maximum load that rigging or lifting equipment is designed to handle under specified service conditions, as designated by the manufacturer. |
| X | |
| XRD | X-Ray Diffraction: An analytical technique used to identify crystalline materials and mineral phases in pigments, ceramics, corrosion products, stone, and archaeological objects. |
| XRF | X-Ray Fluorescence: A generally non-destructive analytical technique that identifies elemental composition in artworks, artifacts, pigments, metals, glass, ceramics, and conservation materials. |