Difference between descriptivism and prescriptivism

Descriptivism
Descriptivism is a term in language that means how language is actually used. Language is not labelled correct or incorrect.  In the study of language description is the work of objectivity analysing and describing joe language is spoken.

Prescriptivism
Prescriptivism means one variety of manner of speaking of a language against another. It may imply that one form are correct and another is incorrect. Traditional rules that are broken, result in disapproval in linguists.