Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 322 of 333
- Volunteered Geographic Information (VGI, Citizen-Generated Geospatial Data)
- Geographic information voluntarily created and shared by citizens, often using GPS-enabled smartphones, mapping tools, and online platforms. VGI enables large-scale collection of spatial data at low c…
- Vote Verification (Cast-as-Intended Verification, Recorded-as-Cast Verification)
- The ability for a voter to confirm that their vote was correctly cast, recorded, and counted — a core requirement for trustworthy electronic and online elections. Traditional code-based verification s…
- VoxLens
- An open-source JavaScript plug-in developed at the University of Washington that improves the accessibility of online data visualizations for screen-reader users through a multimodal approach. VoxLens…
- Vulnerable population research (Research with vulnerable groups)
- Research involving participants who may have diminished capacity to provide fully informed consent or who are at elevated risk of harm, including older adults with cognitive decline, people with demen…
- W3C (World Wide Web Consortium)
- The main international standards organisation for the World Wide Web, founded by Tim Berners-Lee in 1994. The W3C develops and maintains specifications including HTML, CSS, SVG, and ARIA. Its Web Acce…
- W4A (International Cross-Disciplinary Conference on Web Accessibility, Web for All)
- An annual research conference focused specifically on web accessibility, held in conjunction with the World Wide Web Conference (WWW/TheWebConf). W4A brings together researchers studying how to make t…
- WAI (Web Accessibility Initiative)
- A programme of the World Wide Web Consortium (W3C) that develops strategies, standards, and supporting resources to make the web accessible to people with disabilities. WAI is responsible for producin…
- WAI-ARIA (ARIA, Accessible Rich Internet Applications)
- A W3C technical specification that defines a set of HTML attributes (roles, states, and properties) for making dynamic web content and user interface components accessible to people using assistive te…
- WAI-ARIA (ARIA, Accessible Rich Internet Applications, WAI-ARIA Specification)
- A W3C technical specification that defines a set of HTML attributes (roles, states, and properties) to make dynamic web content and custom user interface widgets accessible to people using assistive t…
- WAP (Wireless Application Protocol)
- A suite of protocols and specifications designed to enable mobile devices to access internet content and services. WAP defined standards for how mobile devices communicate with web servers, including …
- WAVE (WAVE Web Accessibility Evaluation Tool)
- A suite of web accessibility evaluation tools developed by WebAIM (Web Accessibility In Mind) that identifies accessibility and WCAG errors in web pages. WAVE provides visual feedback by injecting ico…
- WCAG (Web Content Accessibility Guidelines, WCAG 1.0, WCAG 2.0, WCAG 2.1, WCAG 2.2)
- A set of guidelines published by the W3C Web Accessibility Initiative (WAI) that define how to make web content more accessible to people with disabilities. WCAG is organized around four principles: P…
- WCAG 2.4 Navigable (Guideline 2.4, Navigable Guideline)
- A guideline within the Web Content Accessibility Guidelines (WCAG) under the Operable principle that requires web content to provide ways to help users navigate, find content, and determine where they…
- WCAG Compliance (WCAG Conformance, Web Accessibility Compliance)
- The degree to which a website or web application meets the requirements specified in the Web Content Accessibility Guidelines (WCAG). WCAG defines three conformance levels (A, AA, AAA) with increasing…
- WCAG Conformance (WCAG Compliance, Web Accessibility Conformance)
- The degree to which a website or web application meets the requirements defined in the Web Content Accessibility Guidelines (WCAG). WCAG defines three conformance levels: Level A (minimum, addressing …
- WCAG Conformance Levels (WCAG Levels, Level A, Level AA, Level AAA, Conformance Levels)
- WCAG defines three levels of conformance that indicate the degree to which web content meets accessibility requirements. Level A is the minimum, addressing the most critical barriers that would comple…
- WCAG-EM (Website Accessibility Conformance Evaluation Methodology)
- A structured methodology published by the W3C for evaluating how well a website conforms to the Web Content Accessibility Guidelines (WCAG). WCAG-EM defines a five-step process: defining the evaluatio…
- WEIRD (Western, Educated, Industrialized, Rich, and Democratic)
- An acronym standing for Western, Educated, Industrialized, Rich, and Democratic — used to describe the demographic and cultural profile of populations that dominate research samples in psychology, HCI…
- WEIRD Bias (WEIRD Problem)
- The overrepresentation of Western, Educated, Industrialized, Rich, and Democratic (WEIRD) populations in research, including HCI and accessibility studies. WEIRD bias means that findings, design guide…
- WHODAS 2.0 (WHODAS, WHO Disability Assessment Schedule, World Health Organization Disability Assessment Schedule 2.0)
- WHODAS 2.0 is the World Health Organization Disability Assessment Schedule, version 2.0, a standardized instrument that measures health and disability across six life domains: cognition, mobility, sel…