Head directionality refers to the placement of the head of a phrase within the structure of a language, determining whether it precedes or follows its complements. This concept is crucial for understanding how different languages are classified based on their syntactic structures, which can reveal patterns of consistency or variation among language types. Head directionality plays a significant role in typological classification by helping linguists identify whether a language tends to be head-initial or head-final, impacting how sentences are constructed and understood across various languages.
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