Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 291 of 333
- Target Size (Touch Target Size, Click Target Size, Hit Area)
- The physical dimensions of an interactive element on screen — such as a link, button, or checkbox — that a user must point to and activate. Adequate target size is critical for users with motor impair…
- Target Sound Extraction (Target Sound Separation, TSE)
- A machine-learning task in which a model isolates a specific target sound (or class of sounds) from a complex acoustic mixture, conditioned on some specification of the target - a text label, a refere…
- Target acquisition (Target selection, Pointing task)
- The process of moving a pointer or input device to a specific on-screen element and selecting it, such as tapping an icon, clicking a button, or choosing a menu item. Target acquisition is a fundament…
- Target-Based Navigation (Target-Based Cursor Control, Object-Based Navigation)
- A cursor control method where users identify the desired destination directly by name or label, such as saying "Select Friday" to move the cursor to that word on screen. Target-based navigation can be…
- Task Allocation (Task Assignment, Job Assignment)
- The process of assigning specific tasks or roles to workers based on their abilities, skills, and the accessibility of the task. In inclusive workplace settings, task allocation involves carefully eva…
- Task Analysis (Hierarchical Task Analysis, HTA)
- A systematic method for breaking down complex activities into their component tasks, subtasks, and actions to understand how users accomplish goals when interacting with a system. In accessibility and…
- Task Automation (Web Task Automation, Browser Automation)
- The use of software agents or scripts to automatically perform web-based tasks on behalf of users, such as filling forms, making purchases, or extracting information. Task automation in accessibility …
- Task Completion Time (TCT, Time on Task)
- A key usability metric measuring the time a user takes to complete a specific task from start to finish. In accessibility research, task completion time is one of the primary measures for comparing th…
- Task Decomposition (Task Breakdown, Chunking Tasks)
- The process of breaking a large, complex, or overwhelming task into smaller, manageable steps that can be completed sequentially. Task decomposition is a critical cognitive accessibility strategy for …
- Task Initiation (Task Starting, Getting Started)
- The executive function skill of beginning a task or activity, particularly when the task is complex, unstructured, or perceived as uninteresting. Task initiation is a common area of difficulty for peo…
- Task Prompting (Task Prompting System, Cognitive Prompting)
- Task prompting is an assistive technology approach that provides step-by-step instructions or cues to guide individuals with cognitive impairments through multi-step tasks. Prompts can be delivered th…
- Task Sequencing (Task Decomposition, Step Sequencing)
- The cognitive ability to break down complex activities into substeps and execute them in an appropriate order. Task sequencing is essential for Activities of Daily Living such as brushing teeth, dress…
- Task Switching (Context Switching, Task-Switching Cost)
- The cognitive process of shifting attention from one task to another, which incurs a measurable performance cost in terms of time, accuracy, and mental effort. For individuals with ADHD and other cond…
- Task-Specific Navigation (Task-Based Browsing, Goal-Directed Navigation)
- A web interaction paradigm where the interface adapts to surface content relevant to a user's specific task or goal, filtering or de-emphasizing irrelevant elements. Task-specific navigation contrasts…
- Task-Technology Fit (TTF)
- A concept from information systems research describing how well a technology's capabilities match the requirements of the tasks it is used to perform. In assistive technology, task-technology fit is c…
- Tatreez (Palestinian Cross-Stitch, Palestinian Embroidery)
- A traditional Palestinian cross-stitch embroidery practice, inscribed on the UNESCO Representative List of Intangible Cultural Heritage in 2021, in which motifs encode regional identity, family histor…
- Taxonomy (Classification System, Classification Scheme)
- A structured classification system that organizes concepts, terms, or entities into hierarchical categories based on shared characteristics. In accessibility research and practice, taxonomies are used…
- Taylor Frame (Taylor Mathematical Slate, Taylor Slate, Math Frame)
- A tactile tool used by visually impaired students to perform arithmetic calculations. The device consists of a rectangular board with rows of holes into which small lead or plastic bars are inserted. …
- Teach Access
- A collaborative initiative bringing together technology companies, academic institutions, and advocacy organizations to advance accessibility education. Teach Access provides resources, curriculum mat…
- TeachAccess (Teach Access, TeachAccess initiative)
- A US-based initiative co-founded in 2015 by technology companies, universities, and disability organisations to integrate accessibility into the curricula of computer science, design, and related disc…