Glossary

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

61 results found in Reading Accessibility.

Lexical Simplification (Word-Level Simplification)
A form of text simplification that focuses on replacing complex, uncommon, or technical words with simpler, more familiar alternatives. Lexical simplification is particularly relevant for readers with…
Literacy Development (Literacy Learning, Reading Development)
The process of acquiring reading and writing skills, from early phonological awareness through fluent reading comprehension. Literacy development is a key focus of reading support technology research,…
Low Literacy (Limited Literacy, Functional Illiteracy)
A level of reading and writing ability that is below what is typically needed to function effectively in everyday situations requiring text comprehension. Low literacy may result from limited educatio…
MathSpeak (MathSpeak Rules)
A set of rules and conventions for verbally describing mathematical notation in a standardized, unambiguous way that can be understood by people who cannot see the visual representation of formulas. M…
Meares-Irlen Syndrome (Irlen Syndrome, Visual Stress Syndrome, Scotopic Sensitivity Syndrome)
Meares-Irlen Syndrome is a perceptual processing disorder that affects how the brain processes visual information, causing symptoms of visual stress including pattern glare, perceptual distortions, ey…
Mixed Dyslexia
A subtype of dyslexia that combines features of both surface and phonological dyslexia, typically presenting as discourse-related difficulties including fixation issues and problems recognizing punctu…
Multimodal Summarization (Multimodal Summary, MMS)
A technique for presenting information through multiple complementary formats — typically combining pictures, simplified text, and structural diagrams — to improve comprehension of complex content. Mu…
Newsela
An educational content platform that publishes news articles in multiple professionally-edited versions simplified to different U.S. school reading levels, enabling teachers to assign the same story a…
Non-Visual Reading (Audio Reading, Tactile Reading)
Methods of accessing written content without relying on visual perception, including braille reading, screen reader audio output, and text-to-speech technology. Non-visual reading is essential for bli…
On-Demand Simplification (On-demand text simplification, User-initiated simplification)
An interaction pattern for Automatic Text Simplification reading-assistance tools in which the user explicitly requests a simpler version of a word, phrase, or sentence — typically via hover, click, o…
Phoneme-Grapheme Mapping (Phoneme-Grapheme Correspondence, Alphabetic Principle)
The relationship between speech sounds (phonemes) and their written representations (graphemes), which is foundational to reading in alphabetic writing systems. Mastering phoneme-grapheme mapping — th…
Phonological Dyslexia
A subtype of dyslexia characterized by difficulty with sound-based word decoding, including problems with orthographically similar words (e.g., confusing "addition" and "audition"), number and letter …
Print Disabilities (Print Disability, Print Impairment)
A broad term encompassing any condition that prevents a person from effectively reading standard printed text. Print disabilities include blindness and low vision, but also extend to learning disabili…
Print Disability (Print Impairment, Print-related Disability, Print-related Disabilities)
A condition that prevents a person from effectively reading conventional printed material due to visual, physical, perceptual, developmental, cognitive, or learning disabilities. Print disabilities in…
Print Disability (Print Impairment)
A condition that prevents a person from effectively reading standard printed material. Print disabilities include blindness, low vision, dyslexia, and physical disabilities that make it difficult to h…
Read-Along (Read Along, Synchronised Highlighting, Karaoke-style Highlighting)
An accessibility pattern in which on-screen text is highlighted word-by-word or phrase-by-phrase in synchronisation with spoken audio. Used in children's reading apps, language-learning tools, accessi…
Read-Aloud Technology (Read-Aloud Feature, Text Read-Aloud)
Technology that converts written text to spoken audio output, allowing users to listen to content rather than or in addition to reading it visually. Read-aloud technology differs from general text-to-…
Readability (Text Readability)
The ease with which written text can be read and understood, determined by factors including vocabulary complexity, sentence length, grammatical structure, and text organisation. Readability is distin…
Readability (Text Readability)
The ease with which a reader can read and understand written text. Readability encompasses both visual readability (typography, layout, color contrast, spacing) and linguistic readability (vocabulary …
Reading Comprehension (Text Comprehension)
The ability to understand, interpret, and derive meaning from written text. Reading comprehension involves multiple cognitive processes including decoding words, activating background knowledge, makin…