Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 148 of 333
- IIIF (International Image Interoperability Framework, Triple-I-F)
- The International Image Interoperability Framework (IIIF) is a set of open, community-developed technical specifications and APIs that enable cultural heritage institutions to share, access, and reuse…
- IMS AccessForAll (AccLIP, IMS Accessibility for LIP, AccessForAll)
- A specification from IMS Global Learning Consortium that defines how to describe learner accessibility preferences and match them with appropriate learning resources. IMS AccessForAll extends the IMS …
- IMS Content Packaging (IMS CP, Content Package)
- IMS Content Packaging is a specification from the IMS Global Learning Consortium that defines a standard way to bundle and exchange digital learning content between different learning management syste…
- IMSLP (International Music Score Library Project, Petrucci Music Library)
- A free online repository of public domain music scores, also known as the Petrucci Music Library. IMSLP hosts hundreds of thousands of scores primarily in PDF format, making it one of the largest coll…
- ISCII (Indian Script Code for Information Interchange)
- A character encoding standard developed by the Government of India for representing Indian language text in digital systems. ISCII uses a single encoding scheme that can represent characters from all …
- ISO 24751 (ISO/IEC 24751, Individualized Adaptability and Accessibility in E-Learning)
- ISO 24751 (Individualized Adaptability and Accessibility in E-Learning, Education and Training) is an international standard for matching the accessibility features of digital learning resources and e…
- ISO 9241 (ISO 9241-171, Ergonomics of Human-System Interaction)
- An international standard from the International Organization for Standardization covering the ergonomics of human-system interaction. Part 171 (ISO 9241-171:2008) specifically addresses accessibility…
- ISO 9241-210 (Human-Centred Design Standard, Ergonomics of Human-System Interaction — Part 210)
- An international standard specifying the principles and activities of human-centred design (HCD) for interactive systems. It defines a six-step iterative process — understanding context of use, specif…
- Iceberg Theory of Stuttering (Sheehan's iceberg)
- A model proposed by Joseph Sheehan (1970) describing stuttering as an iceberg whose visible behaviours - blocks, repetitions, prolongations - are only a small fraction above the waterline. The much la…
- Icon (Icons, UI Icon)
- A small graphical symbol used in graphical user interfaces (GUIs) to represent an application, file, function, or object. Icons rely on visual recognition rather than text reading, which can be both a…
- Icon Size (Target Size, Touch Target Size)
- The physical or rendered dimensions of graphical interface elements such as icons, buttons, and interactive controls. Research consistently shows that larger icon sizes improve interaction performance…
- Icon-Based Communication (Symbol-Based Communication, Picture-Based Communication)
- Icon-based communication is a form of augmentative and alternative communication (AAC) in which users select graphic symbols or icons representing words, phrases, or concepts to construct messages. Th…
- Iconicity (Iconic Motivation, Sign Iconicity)
- A property of a linguistic sign in which its form resembles or is motivated by its meaning, rather than being arbitrary. In sign languages, iconicity is pervasive: many signs visually depict an action…
- Iconography (Icon Design, Icon System)
- The design and systematic use of visual symbols to convey meaning in an interface. Good iconography balances recognisability, consistency, and cultural appropriateness so that users can interpret symb…
- Ideational Convergence (Creative Homogenization)
- A phenomenon where the use of generative AI tools leads to a narrowing of creative diversity, as multiple users producing content with the same AI system tend to converge on similar outputs. In audio …
- Identity Management
- The ongoing process of controlling how one presents aspects of their identity—including disability, health conditions, gender, sexuality, occupation, and other characteristics—across different social …
- Identity Model of Disability (Affirmation Model)
- A model of disability in which individuals claim disability as a positive aspect of their identity, similar to how other marginalized groups have reclaimed their identities. Unlike the medical model (…
- Identity Obfuscation
- The deliberate concealment or misrepresentation of aspects of one's identity to avoid discrimination, harm, or negative consequences from adversarial stakeholders. In disability and accessibility cont…
- Identity Wallet (Digital Identity Wallet, EUDI Wallet)
- A smartphone app that stores digitally signed credentials representing attributes of a person's identity — such as name, date of birth, government-issued ID number, student enrolment, or professional …
- Identity-First Language (IFL)
- Language that places the disability or condition before the person (e.g., "autistic person," "deaf person," "disabled person"), in contrast to person-first language ("person with autism," "person with…