Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Narrative Route Description(also: Verbal Route Guidance, Turn-by-Turn Narrative)
- A structured verbal representation of a travel route that guides users through sequential steps using spoken or text-based instructions. Effective narrative descriptions for blind travelers typically follow a consistent format: action to take, distance information, then landmark…
- Node Map(also: Topological node map, Graph map)
- A graph-based representation of a walkable space in which each node corresponds to a meaningful point — typically an intersection, a destination (room, exit, stairwell), or the user's current position — and each edge corresponds to a traversable corridor or path. Node maps are…
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