Definition of language and linguistics: basic competence

This paper is intended to understand and be able to explain the meaning of language and linguistics, to understand and be able to explain linguistic scholarship and to understand and be able to explain the history and nature of language. Linguistic knowledge also provides benefits for compilers of textbooks or textbooks. Linguistic knowledge will provide guidance for textbook compilers in composing appropriate sentences, choosing vocabulary that is appropriate for the age level of the readers of the book. As for the linguistic benefits for statesmen or politicians, first, as a statesman or politician who must fight for ideology and concepts of state or government, orally, he must master the language well. Second, if the politician or statesman mastered linguistic and sociolinguistic issues, in particular, in relation to society, then of course he will be able to reduce and resolve social upheavals that occur in society as a result of language differences and conflicts.