Glossary
Searchable terminology from accessibility, web standards, and related fields.
29 results found in web standards.
- Accessibility API (Accessibility Application Programming Interface, Platform Accessibility API)
- A software interface provided by operating systems and browsers that exposes information about user interface elements — including their roles, states, properties, and relationships — to assistive tec…
- Accessibility Object Model (AOM)
- The Accessibility Object Model (AOM) is a proposed W3C web standard that aims to give JavaScript developers direct programmatic access to the browser's accessibility tree. While WAI-ARIA allows author…
- Accessibility-supported (Accessibility supported technology)
- A WCAG 2.0 concept describing a web technology that has sufficient support from user agents (browsers) and assistive technologies to reliably convey accessibility information to users with disabilitie…
- CC/PP (Composite Capability/Preference Profiles)
- A W3C framework for describing device capabilities and user preferences using RDF (Resource Description Framework). CC/PP enables content servers to adapt the delivery of web content based on the char…
- Default Delivery Context (DDC)
- A baseline set of device capabilities defined by the W3C Mobile Web Best Practices specification, used as a reference point for evaluating mobile web content. The Default Delivery Context specifies mi…
- Document Object Model (DOM)
- A programming interface that represents the structure of an HTML or XML document as a tree of objects, where each element, attribute, and piece of text becomes a node that can be programmatically acce…
- Global Public Inclusive Infrastructure (GPII)
- A framework and set of technologies designed to allow people with disabilities to automatically have their accessibility preferences and settings applied across any device, platform, or service they e…
- Interoperability
- The ability of different systems, devices, applications, or products to connect and communicate with each other in a coordinated way, without requiring special effort from the user. In accessibility, …
- Longdesc (Long Description, longdesc Attribute)
- An HTML attribute historically used to provide extended descriptions for images that require more detail than can fit in an alt attribute. The longdesc attribute contained a URL pointing to a separate…
- MathML (Mathematical Markup Language)
- A W3C standard XML-based markup language for describing mathematical notation and capturing both its structure and content. MathML comes in two forms: presentation MathML, which describes how a formul…
- MathML (Mathematical Markup Language)
- An XML-based markup language standardized by the W3C for describing mathematical notation and capturing both its structure and content. MathML enables screen readers and other assistive technologies t…
- Mobile Web Best Practices (MWBP, MWBP 1.0)
- A W3C recommendation published in 2006 that defines good usability and accessibility practices for delivering web content to mobile devices. Derived from the Web Content Accessibility Guidelines 1.0 (…
- Mobile Web Initiative (MWI, W3C Mobile Web Initiative)
- The W3C Mobile Web Initiative (MWI) was a program launched in 2005 to improve the experience of accessing the web from mobile devices such as cell phones and handheld systems. Operating in a manner si…
- RDF (Resource Description Framework)
- A W3C standard for describing resources on the web using a graph-based data model of subject-predicate-object triples. RDF provides a foundation for the Semantic Web by enabling machine-readable metad…
- SGML (Standard Generalized Markup Language)
- An international standard (ISO 8879:1986) metalanguage for defining markup languages that describe the structure and content of electronic documents. SGML introduced foundational concepts including de…
- SMIL (Synchronized Multimedia Integration Language)
- A W3C XML-based markup language for describing multimedia presentations that combine audio, video, text, images, and other media with precise temporal and spatial synchronization. SMIL is significant …
- Scalable Vector Graphics (SVG)
- An XML-based vector image format for two-dimensional graphics that supports interactivity and animation. Unlike bitmap formats (JPEG, PNG, GIF) which store images as grids of pixels, SVG describes sha…
- Semantic Annotation (Semantic Markup, Semantic Tagging)
- The process of adding machine-readable metadata to web content that describes the meaning of the content rather than its visual presentation. Unlike HTML markup which primarily specifies how content s…
- Semantic Web (Web of Data, Linked Data)
- An extension of the World Wide Web in which information is given well-defined meaning through standardized formats and technologies (such as RDFa, OWL, and ontologies), enabling machines to interpret …
- UAProf (User Agent Profile)
- A specification from the Open Mobile Alliance that extends the CC/PP (Composite Capability/Preference Profiles) framework to describe mobile device capabilities in a standardized RDF-based format. UAP…