A noun is a word that names a person, place, or thing.
Use exact nouns to make clear pictures for the reader.

The girls love cooking on the campfire.
Nouns: girls (people) and campfire (thing)

Ali loves going to the outdoor farmer's market on the weekend.
Nouns: Ali and farmer's market (place)

Leo likes to hang glide on the weekends.
Nouns: Leo (person)