Language is a system of a（）vocal symbols used for human communication.

Linguistics is generally defined as the s（）study of language.

Phonetics

Findings in linguistic studies can often be applied to the settlement of some practical problems. The study of such applications is generally known as a（）linguistics.

Pragmatics is different from semantics in that pragmatics studies meaning not in isolation, but in context.

General linguistics, which relates itself to the research of other areas, studies the basic concepts, theories, descriptions, models and methods applicable in any linguistic study.

Morphology

A diachronic study of language is the description of language at some point in time.

Syntax

P （）refers to the realization of langue in actual use.