Definition:-
A word which is used in place of noun, is called " Pro-noun ".
Examples,
I, We, You, He, She, They.

Kinds of Pronoun:
1) Personal Pronoun 5) Indefinite Pronoun
2) Demonstrative Pronoun 6) Reflexive Pronoun
3) Interrogative Pronoun 7) Reciprocal Pronoun
4) Relative Pronoun 8) Distributive Pronoun