language mechanic grammar http://id.loc.gov/authorities/subjects/sh85056259 https://en.wikipedia.org/wiki/Category:Grammar https://en.wikipedia.org/wiki/Grammar https://www.wikidata.org/wiki/Q8091 The set of structural rules governing the composition of clauses, phrases and words in a natural language. The term refers also to the study of such rules and this field includes phonology, morphology and syntax, often complemented by phonetics, semantics and pragmatics. grammars grammatical