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

General linguistics is generally the study of language as a whole.

Morphology

The distinction between competence and performance was proposed by F. de Saussure.

Phonetics

Morphology studies how words can be formed to produce meaningful sentences.

Pragmatics

Language

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

Human capacity for language has a g（）basis, but the details of language have to be taught and learned.