Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Abstract Syntax Tree(also: AST, Syntax Tree)
- A hierarchical tree representation of source code structure that captures the syntactic relationships between programming constructs like functions, classes, loops, and statements. In accessibility, AST-based navigation tools like StructJumper allow blind programmers to traverse…
- Audio Cue(also: Auditory Cue, Sound Cue, Earcon)
- A non-speech sound used to convey information in an interface. In accessible programming environments, audio cues represent code structures, syntax errors, or navigation landmarks—for example, a door-opening sound for an "if" statement or distinct tones for different indentation…
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