Pronoun is a word which is used in place of Noun
Natasha is my girlfriend
Here, there are 2 Nouns 'Natasha' and 'girlfriend'
She is my girlfriend
Here, there is only one Noun 'girlfriend'
'She' is a pronoun which is used in place of noun 'Natasha'
Aamir Khan is an actor
He is an actor
Here 'He' is a Pronoun used in place of Noun 'Aamir Khan'
Why are Pronouns Used?
They are used to avoid repetition
It does not look nice to use Noun again and again in each sentence
Suman is a doctor.
She lives in Delhi.
She works at a hospitalView Answer
Here 'Suman' is a noun
In the second and third line, 'She' is used to avoid repeating Suman again and again
Donald Trump is the president of USA. He stays at White house.
What are Nouns and Pronouns here ?View Answer
Here, 'Donald Trump' , 'USA' and 'White House' are Nouns.
In the second line, 'He' is a Pronoun which is used in case of noun 'Donald Trump'