Glossary
Searchable terminology from accessibility, web standards, and related fields.
30 results found in WCAG.
- Sufficient Techniques (Sufficient Advisory Techniques)
- In the WCAG framework, sufficient techniques are documented methods for meeting a specific success criterion. If a content author correctly implements a sufficient technique, it is enough to satisfy t…
- Tab Order (Focus Order, Navigation Order, Tabbing Order)
- The sequence in which interactive elements receive keyboard focus when a user presses the Tab key to navigate through a web page or application. A logical tab order follows the visual layout and task …
- Text Alternative (Alt Text, Alternative Text, Text Equivalent)
- A textual replacement for non-text content, primarily images, that conveys the same purpose or information as the visual element. Text alternatives are essential for users who cannot perceive images, …
- Text Alternatives (Text Alternative, Text Equivalent)
- WCAG 2.1 Guideline 1.1 and success criterion 1.1.1 require that all non-text content (images, charts, audio, video, form controls, etc.) have a text alternative serving the equivalent purpose. Text al…
- Text Reflow (Content Reflow, Responsive Text)
- The ability of text content to rearrange and wrap within its container when the viewport is resized or text is zoomed, so that users can read without horizontal scrolling. Text reflow is essential for…
- Time-Based Media (Multimedia Content, Synchronized Media)
- Content that unfolds over time, including audio, video, audio-video combinations, and interactive multimedia presentations. WCAG Guideline 1.2 requires that time-based media be made accessible through…
- Touch Target Size (Tap Target Size, Target Size)
- The physical area of an interactive element on a touchscreen that responds to user input. Adequate touch target sizing is critical for accessibility, particularly for users with motor impairments who …
- Transcripts (Transcript, Text Transcript)
- A written, text-based representation of spoken audio or audiovisual content. WCAG 2.1 success criterion 1.2.1 (Audio-only and Video-only Prerecorded) requires an alternative for time-based media — typ…
- Understandability (Understandable, Comprehensibility)
- The quality of information or interface elements being cognitively accessible — meaning a user can not only perceive the content but also internalise its meaning and know how to act on it. Understanda…
- 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…