prescriptive vs descriptive

prescriptive and descriptive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
prescriptive	No	Yes	No	No
descriptive	No	Yes	No	No

prescriptive (adjective)	descriptive (adjective)
pertaining to giving directives or rules	of or relating to an approach to linguistic analysis that aims at the description of a language's forms, structures and usage
	serving to describe or inform or characterized by description