Noun A noun names a person, place, thing, or idea. Proper nouns name particular people, places, things, or ideas.
Proper nouns begin with capital letters.
A pronoun takes the place of a noun. Pro means for, and noun means name. Pronoun means a word used for a name. Jane kept telling Jane that Jane could do it alone, until Jane discovered that Jane needed the help of Jane's friend. Jane kept telling herself that she could do it alone, until she discovered that she needed the help of her friend.