The study of meaning in language is known as semantics.

Phonetics

Sociolinguistics is the study of language in relation to society.

Phonology

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

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

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

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

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

Language is p（）in that it makes possible the construction and interpretation of new signals by its users. In other words, they can produce and understand an infinitely large number of sentences which they have never heard before.