Glossary
Searchable terminology from accessibility, web standards, and related fields.
10 results found in text entry.
- Ambiguous keyboard (T9 input, Multi-tap disambiguation)
- A text entry method in which multiple letters are mapped to each physical key, requiring disambiguation algorithms (typically dictionary-based) to determine the intended word from the sequence of key …
- Braille Input (Braille Keyboard Input, Braille Screen Input)
- A text entry method that allows users to type characters using Braille code on a device, rather than a standard QWERTY keyboard. On touchscreen devices, Braille input typically maps finger taps or ges…
- Continuous Motion Input (Gesture Typing, Swipe Input)
- A text entry method where the user traces a continuous path across an on-screen keyboard, passing through the desired letters or keys without lifting their finger. This approach can be faster than dis…
- Dasher
- A zooming text entry interface in which users write by navigating through a world of nested boxes, each labeled with a letter and sized proportionally to its probability under a language model. Users …
- Gaze Typing (Eye Typing, Gaze-Based Text Entry, Eye-Typing)
- A text input method that uses eye tracking technology to allow users to type by looking at keys on a virtual on-screen keyboard. The most common technique is dwell-based selection, where the user fixa…
- Gesture Typing (Swipe Typing, Trace Typing, Glide Typing, Shape Writing)
- A text entry method on touchscreen devices where the user enters a word by continuously gliding their finger from letter to letter on a virtual keyboard without lifting it, rather than tapping each ke…
- Keystroke Savings (KS, Key Savings)
- A metric used to evaluate word prediction systems, measuring the percentage of keystrokes eliminated by accepting predictions compared to typing the full text character by character. While keystroke s…
- Nomadic Text Entry (Mobile Text Entry, On-the-Go Texting)
- The practice of inputting text on a mobile device while moving through or actively engaging with the physical environment, as opposed to typing while stationary. For people who are blind or visually i…
- Soft Keyboard (On-screen Keyboard, Virtual Keyboard, OSK)
- A keyboard displayed on a screen that is operated by a pointing device (mouse, touch, head tracker, eye gaze, or switch) rather than physical key presses. Soft keyboards are essential assistive techno…
- Textonym (T9 Ambiguity)
- Words that share the same sequence of key presses on a telephone-style number pad, such as "bat" and "cat" which both map to the key sequence 2-2-8. Textonyms are a significant design consideration in…