Pronouns are words that replace nouns that the speaker or writer says, or it is understood between the speaker, the listener, with long words in plural, not to repeat.
A pronoun is a word used to replace nouns speaker or author had said then. Or is understood between the listener and the speaker. So do not say a word for it.
Pronouns are words that represent nouns that the speaker or writer has said. Or is understood between the audience and the speaker. In order not to be spoken for.