The Case System in Lithuanian grammar is a pivotal component of sentence structure and meaning. It is an inflectional system altering the form of a noun, pronoun, or adjective to reflect its grammatical function within a phrase, clause, or sentence. The Lithuanian language employs seven cases: nominative, genitive, dative, accusative, instrumental, locative, and vocative. Each case conveys specific syntax and semantics, thus offering a palette of linguistic functions and meanings.