Here's a breakdown:
* Noun: A word that names a person, place, thing, or idea (e.g., dog, park, book, happiness).
* Pronoun: A word that replaces a noun to avoid repetition (e.g., he, she, it, they, this, that, etc.).
Example:
* Noun: The dog chased the ball.
* Pronoun: It chased it.
Let me know if you'd like more examples or explanations!