Glossary

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Table navigation(also: Table browsing, Grid navigation)

A set of screen reader commands that allow users to move between cells, rows, and columns within HTML tables, hearing row and column headers announced for context at each position. Effective table navigation enables non-visual users to understand spatial relationships in…

Tactile Dome(also: Truncated Dome, Detectable Warning Surface)

Small raised bumps arranged in a grid pattern on ground surfaces to provide a tactile warning of an upcoming hazard, such as a curb edge, train platform edge, or street crossing. Tactile domes are part of the broader category of tactile walking surface indicators and are…

Thermotactile Feedback(also: Thermal Feedback, Thermal Haptic Feedback, Thermotactile Display)

Thermotactile feedback is a form of haptic communication that conveys information through controlled temperature changes on the skin, using heating or cooling elements such as Peltier thermoelectric modules. In accessibility, thermotactile feedback offers an alternative to…

Trajectory Analysis(also: Route Analysis, Path Analysis)

The computational study of movement patterns over time and space, typically derived from GPS or other location data. Trajectory analysis involves modelling, comparing, and classifying sequences of spatial positions to identify patterns, anomalies, or behaviours. In assistive…

Transportation Accessibility(also: Accessible Transportation, Mobility Accessibility)

The design and provision of transportation systems, services, and infrastructure that are usable by people with disabilities. Transportation accessibility encompasses physical access to vehicles and transit stops, accessible information systems (route planning, real-time…

Travel Chain(also: Mobility Chain, Journey Chain)

A travel chain is the complete sequence of connected stages that make up a journey from origin to destination, including planning, leaving the starting point, walking to transport, using public transport, navigating outdoor environments, entering buildings, and finding specific…

Turn-by-turn navigation(also: Step-by-step navigation, Guided navigation)

A navigation method that provides sequential walk-and-turn instructions to guide a user along a route without requiring prior knowledge of the environment. For people with visual impairments, turn-by-turn systems typically use audio cues or speech instructions to indicate when…

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