Glossary

Searchable terminology from accessibility, web standards, and related fields.

6660 terms — page 223 of 333

Pivotal Response Training (PRT, Pivotal Response Treatment)
A naturalistic, child-initiated behavioural intervention developed for children with autism that targets "pivotal" skills — foundational abilities whose improvement produces widespread positive change…
Place Attachment (Sense of Place)
Place attachment is the emotional and cognitive bond a person forms with a particular location — a home, neighbourhood, city, or landscape — built up through memory, repeated experience, social ties, …
Plain Language (Plain English, Clear Language, Simple Language)
Plain language is communication that is clear, concise, and well-organized so that the intended audience can easily find, understand, and use the information. In accessibility, plain language is essen…
Plain language (Plain English, Easy read, Simple language)
A communication approach that uses clear, concise, and well-organised writing designed to be understood the first time it is read. Plain language avoids jargon, complex sentence structures, and ambigu…
Plan Recognition (Intent Prediction, Action Prediction)
A technique in human-computer interaction where a system predicts the user's intended action based on patterns in their input behaviour and the current interaction context. By anticipating what the us…
Planning Fallacy
A well-documented cognitive bias, identified by Kahneman and Tversky and elaborated by Buehler and colleagues, in which people systematically underestimate how long their own tasks will take and overe…
Platform Accessibility
The degree to which online platforms (websites, apps, social media, marketplace platforms) are usable by and inclusive of disabled people. Platform accessibility encompasses not only technical complia…
Platform Governance (Social Media Governance)
Platform governance refers to the policies, rules, procedures, and technical mechanisms through which digital platforms regulate user behaviour, content, and participation. It encompasses both formal …
Play-by-Play (Play-by-play announcing, Play-by-play commentary)
In sports broadcasting, the moment-to-moment verbal description of on-screen action provided by the main commentator (e.g., who has the puck, who is passing to whom). Because play-by-play describes wh…
Playback Speed (Video Speed, Playback Rate)
The rate at which video or audio content plays relative to its original recording speed. Most video platforms allow users to adjust playback speed, typically from 0.25x to 2x or higher. For viewers wi…
Player balancing (Dynamic difficulty adjustment, Skill balancing)
A game design technique that provides in-game advantages to lower-performing players, reducing performance disparities between competitors of different ability levels. In the context of accessibility,…
Playful Interaction (Playful design)
A design stance that treats play — voluntary, intrinsically motivated, rule-structured activity — as a core property of interactive systems rather than a surface layer of rewards or points. Playful in…
Playhead (Play Head, Cursor Position)
The visual indicator on a video or audio timeline that shows the current playback position, typically a vertical line or triangle marker that moves in time with the media. Playheads are a core primiti…
Playification
A design strategy that transforms routine or clinical tasks into playful, engaging experiences without relying solely on competitive game mechanics like points and leaderboards. Unlike gamification, w…
Playtesting (Play testing)
A user-research method in game and interactive-system design in which representative users play an in-development game while researchers observe, collect think-aloud commentary, and conduct follow-up …
Pleasure Activism
A framework articulated by adrienne maree brown that centers pleasure, joy, and satisfaction as essential components of social justice and liberation movements. In disability contexts, pleasure activi…
Pluggable User Interface (Pluggable UI, Alternative User Interface)
A pluggable user interface is an interchangeable interface component that can be swapped in or out of an application without changing the application's core functionality. In the Universal Remote Cons…
Pluralistic Walkthrough (Pluralistic Usability Walkthrough)
A group usability inspection method, introduced by Randolph Bias in 1994, in which users, developers, and usability specialists step through a task scenario together, each writing down the actions the…
Podcast (Podcasting)
An episodic, on-demand audio programme distributed over the internet, typically via RSS or proprietary platforms such as Spotify, Apple Podcasts, and BBC Sounds. Podcasts are a dominant form of long-f…
Podcast analysis (Podcast content analysis)
A qualitative research method that uses publicly available podcast episodes as data sources, applying thematic or content analysis to extract insights from naturalistic discussions. In accessibility r…