Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Semantic Abstraction
- The practice of defining interface elements, content, or interactions by their meaning and purpose rather than their specific visual or physical presentation. In accessibility, semantic abstraction is a foundational principle — semantic HTML elements like nav, main, and button…
- Semantic Annotation(also: 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 should be displayed (font size, color, layout), semantic annotations describe…
- Semantic Bookmarking(also: Semantic Bookmark, Concept-Based Bookmarking)
- A web navigation technique that associates saved page locations with meaningful conceptual labels from a domain ontology rather than with specific structural positions in the HTML code. Unlike traditional bookmarks that reference a URL or a position in the document's DOM tree…
- Semantic Enrichment(also: Semantic Annotation, Semantic Markup Enhancement)
- Semantic enrichment is the process of adding meaningful structural and contextual information to content that may lack it in its original representation. In the context of web accessibility, this often involves augmenting presentation-oriented markup with data attributes or…
- Semantic Model(also: Semantic Tree, Semantic Web Model)
- An abstract representation of a web page that captures the meaning and relationships of its content, rather than its raw HTML structure. Unlike the Document Object Model (DOM), which represents syntactic elements, a semantic model groups related elements into meaningful entities…
- Semantic Partitioning(also: Web Page Partitioning, Content Partitioning)
- A technique for automatically dividing a web page into semantically meaningful segments or blocks based on the structural and visual properties of its HTML content. Semantic partitioning analyzes the DOM tree to group related elements using spatial locality (items close together…
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