> For the complete documentation index, see [llms.txt](https://ldaca.gitbook.io/metadata-for-language-data/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ldaca.gitbook.io/metadata-for-language-data/defined-terms/phonological.md).

# Phonological

An annotation which includes information about the sound system of a language, such as the contrasts between sounds which make up the sound system and the locally conditioned realisations of sounds which characterise speech in the language.

This term is an expected value of the property:\
[annotationType](/metadata-for-language-data/properties/annotationtype.md)

This term is included in the defined term set:\
[AnnotationTypeTerms](/metadata-for-language-data/defined-term-sets/annotationtypeterms.md)

[OLAC](http://www.language-archives.org/REC/type-20020628.html#description/phonological)