Glossary
Searchable terminology from accessibility, web standards, and related fields.
212 results found in Web Accessibility.
- Bobby (Bobby Worldwide, Watchfire Bobby)
- Bobby was one of the earliest and most widely used automated web accessibility testing tools, developed by the Center for Applied Special Technology (CAST) and later acquired by Watchfire (subsequentl…
- Brickfield Accessibility Toolkit (Brickfield Toolkit)
- An accessibility scanning and reporting tool for Moodle developed by Brickfield Education Labs. It is distributed on a freemium model: a community-edition set of scanners is integrated into the Moodle…
- Browser Extension (Browser Plugin, Browser Add-On)
- A software module that adds functionality to a web browser, typically installed from a browser's extension store. Browser extensions are a common delivery mechanism for accessibility tools because the…
- Browser Helper Object (BHO)
- A plugin module for web browsers (originally Internet Explorer) that loads with each browser instance and has access to the Document Object Model and browser events. In accessibility contexts, BHOs ha…
- C2C Marketplace (Customer-to-Customer Marketplace, Peer-to-Peer Marketplace)
- An online platform where individual consumers list goods or services for sale to other individual consumers, rather than selling through a business intermediary. Examples include eBay, Etsy, Mercari, …
- Captioning (Captions, Subtitles for the Deaf and Hard of Hearing, SDH)
- The process of displaying synchronized text on screen that represents spoken dialogue, sound effects, and other audio information in video content. Unlike subtitles, captions are specifically designed…
- Caret Browsing (Caret Navigation, Caret Browse Mode)
- A browser navigation mode that places a movable text cursor (caret) directly in web page content, allowing users to navigate and select text using standard keyboard commands as if the page were a docu…
- Carousel (Image Carousel, Content Carousel, Slider Carousel)
- A UI pattern that displays a rotating series of content items (images, cards, teasers) in a single area, typically navigated by swipe, arrows, or auto-advance. Carousels pose well-known accessibility …
- Cell Navigation (Table Cell Navigation, Cell-by-Cell Navigation)
- Cell navigation is a method of accessing tabular data non-visually by moving between individual cells using directional commands (up, down, left, right). Rather than reading a table linearly from top-…
- Collaborative Accessibility Authoring (Collaborative Authoring, Crowdsourced Accessibility)
- An approach to web accessibility in which a community of volunteers collaboratively creates, maintains, and shares accessibility fixes for websites they do not own or control. Rather than relying sole…
- Compound Controls (Composite Widgets, Complex Controls)
- User interface components that combine multiple interactive elements into a single logical control, such as a group of radio buttons, a set of checkboxes with a shared label, a combobox (combining a t…
- Compound Document (Compound Web Document, Multi-format Document)
- A compound document is a single deliverable that seamlessly combines content in multiple formats — for example, an HTML page that embeds a Flash movie, an SVG graphic, an MathML expression, and a vide…
- Content Extraction (Web Content Extraction, Text Extraction)
- The process of separating meaningful content from the surrounding structural markup, navigation elements, and boilerplate text on a web page. For assistive technology users, content extraction is valu…
- Content Personalization (Accessibility Personalization, Content Adaptation)
- The practice of tailoring digital content presentation and interaction to match individual users' needs, preferences, and abilities. In accessibility, personalization goes beyond one-size-fits-all app…
- Content Prioritization (Content Ranking, Element Prioritization)
- The process of ranking or scoring web page elements by their relevance or importance to a user's task, enabling the interface to highlight critical content and de-emphasize less relevant material. Con…
- Content Transcoding (Content Adaptation, Content Transformation)
- The process of automatically modifying web content to make it more accessible or usable for specific users or devices. Content transcoding can involve restructuring HTML, modifying CSS styles, replaci…
- Contextual Reinforcement (Header Reinforcement)
- A technique in aural and non-visual rendering of tabular data where column headers, row labels, or other structural context is repeated alongside data values to help users understand the relationships…
- Coping Strategies (Coping Tactics, Workaround Strategies)
- The techniques and approaches that users with disabilities develop to navigate around accessibility barriers they encounter on the web and in digital interfaces. Expert screen reader users, for exampl…
- Course Management System (CMS, Learning Management System, LMS, Virtual Learning Environment, VLE)
- A software platform used by educational institutions to create, manage, and deliver course content, track student performance, and facilitate communication between instructors and students. Examples i…
- DOM (Document Object Model)
- A programming interface that represents an HTML or XML document as a tree structure of objects, where each node corresponds to a part of the document such as elements, attributes, and text content. Th…