Glossary
Searchable terminology from accessibility, web standards, and related fields.
17 results found in Web Standards.
- Aural CSS (Aural Cascading Style Sheets, CSS Aural Properties, CSS Speech)
- Aural CSS refers to CSS properties designed to control the auditory presentation of web content, originally specified as the "aural" media type in CSS2 and later revised as the "speech" media type in …
- Canonical MathML (Canonical Mathematical Markup Language)
- A restricted, normalised subset of MathML in which mathematical structures are represented in a deterministic, unambiguous way. While standard Presentation MathML allows the same mathematical expressi…
- Cascading Style Sheets (CSS, Stylesheets)
- A stylesheet language used to describe the visual presentation of HTML documents, controlling layout, colors, fonts, spacing, and responsive design. CSS is intentionally separated from HTML content to…
- Frame Rate (Frames Per Second, FPS, Frame Frequency)
- Frame rate is the number of still images (frames) displayed or captured per second in a video stream, usually measured in frames per second (fps). Common values include 24 fps (cinema), 30 fps (US bro…
- HTML5 Track Element (<track> Element, Track Tag, HTML Track)
- The HTML5 <track> element is used to specify timed text tracks for <video> and <audio> elements, providing a standardized way to associate captions, subtitles, descriptions, chapters, and metadata wit…
- Media Fragments (Media Fragments URI, Media Fragment Identifier)
- Media Fragments is a W3C specification that defines a standard syntax for addressing specific portions of audio and video resources on the web using URI fragment identifiers. It allows users and appli…
- Microformats (uFormats)
- Microformats are a set of simple, open data formats built upon existing HTML standards that add machine-readable semantic meaning to web content by using standardized class names and HTML attributes. …
- OWL (Web Ontology Language, OWL 2)
- The Web Ontology Language (OWL) is a W3C standard for defining and instantiating formal ontologies on the web, enabling machines to interpret the meaning and relationships of information rather than j…
- OpenMath
- An XML-based standard for representing mathematical objects and their semantics in a machine-readable format. Unlike MathML, which has both presentation (visual layout) and content (semantic structure…
- Signing Gesture Markup Language (SiGML)
- Signing Gesture Markup Language (SiGML) is an XML-compliant notation for representing sign language gestures, developed as part of the ViSiCAST project at the University of East Anglia. SiGML is desig…
- Speech Synthesis Markup Language (SSML)
- Speech Synthesis Markup Language (SSML) is a W3C standard XML-based markup language for controlling the rendering of synthetic speech by text-to-speech (TTS) engines. SSML provides tags for specifying…
- Timed Text (Timed Text Markup Language, TTML, DFXP)
- Timed Text Markup Language (TTML) is a W3C standard for representing timed text content such as captions, subtitles, and other text synchronized with audio or video media. Originally developed as the …
- VRML (Virtual Reality Modeling Language)
- A file format and markup language for describing interactive 3D objects and environments on the web, first standardized in 1995. VRML allowed users to view, rotate, and navigate 3D scenes in web brows…
- Web 2.0 (Web Two Point Oh, The Read-Write Web)
- Web 2.0 refers to the shift in web development that emerged in the early 2000s, characterized by user-generated content, dynamic interfaces, rich interactivity, and social participation rather than st…
- WebVTT (Web Video Text Tracks, Web Video Text Tracks Format)
- WebVTT (Web Video Text Tracks) is the W3C standard text format for providing timed text tracks — including captions, subtitles, descriptions, chapters, and metadata — synchronized with HTML5 <video> a…
- XML (Extensible Markup Language)
- A markup language designed by the W3C for encoding structured data in a format that is both human-readable and machine-readable. Unlike HTML, which has a fixed set of tags focused on presentation, XML…
- XPath (XML Path Language)
- XPath (XML Path Language) is a query language for selecting nodes and computing values from XML and HTML documents. In the context of web accessibility, XPath expressions are used by assistive technol…