A noun is a thing that identifies a place and names.
A preposition is expressing a relation to another word.
A verb is a doing word Eg: the girl WALKED to the park.
An article is the, a and an.
A conjunction is like a connective but another word for it.
An adverb is a word or phrase that modifies the meaning of an adjective.
An adjective is a describing word Eg: the boy played with a BALL.