Glossary

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Table Linearization(also: Table Serialization)

Table linearization is the process of converting a two-dimensional HTML table into a one-dimensional sequence of text for non-visual presentation. When a screen reader linearizes a table, it reads the content cell by cell, row by row, from top-left to bottom-right, stripping…

Table Navigation Mode(also: Table Navigation)

A screen reader feature that allows users to navigate within data tables by moving a virtual cursor cell-by-cell in two dimensions — by row and by column — rather than reading content linearly. Introduced by Ogane and Asakawa in 1998 and subsequently adopted by virtually all…

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…

Tag Order(also: Source Order, DOM Order, Reading Order)

The sequential order in which HTML elements appear in the source code of a web page, which determines the order in which screen readers and other assistive technologies present content to users. When web pages use CSS or layout tables to position content visually, the tag order…

TalkBack(also: Android TalkBack, Google TalkBack)

The built-in screen reader for Android devices, developed by Google as part of the Android Accessibility Suite. TalkBack provides spoken feedback, vibration, and other audible cues to help blind and visually impaired users navigate their devices without seeing the screen. Users…

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…

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