Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Technical Agency
- Technical agency, in the context of augmentative and alternative communication (AAC), refers to an individual's ability to actively participate in and contribute to a conversation through direct actions such as speaking, gesturing, or vocalizing. It is distinguished from…
- Tempo(also: BPM, Beats Per Minute)
- The speed or pace of a musical piece, typically measured in beats per minute (BPM). Tempo is one of the primary features that shapes emotional perception of music — fast tempos (130+ BPM) are associated with excitement and urgency, slow tempos (60–80 BPM) with calm or solemnity.…
- Transformative Access
- A concept from disability justice that redefines accessibility beyond structural adjustments or compliance with standards. Introduced by the disability justice group Sins Invalid, transformative access advocates not only for removing barriers but for shifting societal norms to…
- Tree Navigation(also: Hierarchical Navigation, Tree View Navigation)
- The process of moving through and exploring hierarchical data structures (trees) such as file systems, program structures, organizational charts, or menu systems. In accessible computing, tree navigation is a significant challenge because screen readers typically present tree…
- Turing Test(also: Imitation Game)
- The Turing Test, proposed by Alan Turing in 1950, is a thought experiment for assessing whether a machine's conversational behaviour is indistinguishable from that of a human. A human evaluator engages in a text-based exchange with both a human and a machine and must decide…
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