What a noun and pronoun

noun- a member of a class of words that can function as the subject or object in a construction, are often formally distinguished, as by taking the plural and possessive endings, and typically refer to persons, places, animals, things,

pronoun. : any of a small set of words in a language that are used as substitutes for nouns or noun phrases and whose referents are named or understood in the context.

Explanation:

This was the first definition i was thought  and i still stick with it .

I hope it helps :)

A noun is a naming word

A pronoun is a group of words that can be used to replace nouns in sentences to avoid repetitions

Explanation:

the primary theme of ha jin's “a decade” would be the need to revisit one's past to determine a path for the future. “a decade” is one of the twelve brief stories of ha jin's under the red flag, which takes place during the cultural revolution of china.

might need to ask questions people no or have read somthing about.