Term | Main definition |
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Element | A syntactic construct of a document type definition (DTD) for its application. |
Enabled element | A piece of content with associated behaviors that can be activated through the user interface or through an API. The set of elements that a user agent enables is generally derived from, but is not limited to, the set of interactive elements defined by implemented markup languages
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Equivalent | Text equivalents (e.g., text equivalents for images, text transcripts for audio tracks, or collated text transcripts for a movie) and non-text equivalents(e.g., a prerecorded audio description of a visual track of a movie, or a sign language video rendition of a written text). |
Event handler | User interface events, changes to content, loading of content, and requests from the operating environment. |