A noun is used to identify people,places and things.There are also other nouns called common noun, proper noun and concrete noun.E.G JOE climbed the wall.
A verb is used to describe action and state.It is called a doing word as well as a verb. E.G Joe WALKED to the park.
A adjective is used to describe a noun or something else.E.G Joe is awesome at football.
A adverb is a add on to a verb and describes the verb.E.G Joe cautiously walked to his house.
A article is a piece of writing including newspapers and magazines.E.G THE helicopter crashed.
A preposition is a normal word but it’s showing what somethings doing.E.G The puppy sat ON the floor.