Sociolinguistics

Language has been studied from different points of view, and because of its social function many linguists have been interested in its relation to society which had intern led to the emergence of Sociolinguistics. The latter is defined as the study of language in relation to society; it is also defined as the main field which considers the linguistic question in relation to the sociological one. 

language contact is a term used in situations where two or more groups of speakers who do not share a native language are in social contact with each another[1].  Communication between these groups may be difficult, as it may make these different languages influence each other. Consequently, various phenomena like: bilingualism, multilingualism, borrowing, code switching, language shift, lingua franca, and pidginization appear in the scene; it also gives birth to language change which involves the contact of distinct lexical and grammatical system