Glossary
Searchable terminology from accessibility, web standards, and related fields.
27 results found in content.
- Readability formula (readability metric, readability index, readability measure)
- A mathematical formula that estimates the difficulty of reading a text, typically based on features like sentence length, word length, syllable count, or vocabulary frequency. Common formulas include …
- 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…
- Sign language (Manual language, Visual-gestural language)
- A natural language that uses manual articulation (handshapes, movement, location relative to the body), facial expressions, and body posture to convey meaning, serving as the primary or preferred lang…
- 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, …
- User-Generated Content (UGC)
- Content such as text, images, videos, and reviews created and shared by end users rather than by the website or platform owner. In e-commerce, user-generated content includes customer reviews, review …
- Video accessibility (Accessible video, Video a11y)
- The practice of making video content perceivable, operable, and understandable for people with disabilities. This encompasses captions for deaf and hard-of-hearing viewers, audio descriptions for blin…
- Web Segmentation (Page Segmentation, Web Page Segmentation)
- The process of dividing a web page into distinct, meaningful sections or segments based on visual layout, structural markup, or content semantics. Web segmentation is important for accessibility becau…