Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Flesch-Kincaid Grade Level(also: Flesch-Kincaid, FKGL, Flesch-Kincaid readability)
- A readability formula that estimates the U.S. school grade level required to comfortably read a given English text, based on average sentence length and average syllables per word. Developed for the U.S. Navy in 1975 by Rudolf Flesch and J. Peter Kincaid, the formula is widely…
- Functional Illiteracy(also: Low Literacy, Limited Literacy)
- A condition in which a person has basic reading and writing skills but cannot effectively understand or use written text for everyday tasks such as reading instructions, filling out forms, or comprehending web content beyond simple sentences. UNESCO defines functional illiteracy…
- Functional Literacy(also: Functional illiteracy)
- The level of reading and writing skill needed to handle everyday tasks — filling out forms, reading medication instructions, understanding a utility bill, using a web service. Adults below this threshold are described as functionally illiterate, which in the United States is…
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