Demonstrative Pronouns : Pronouns when used to point out the objects to which they refer to, its called Demonstrative Pronouns. For example-
These books are mine.
What was that voice?
The climate of Agra is like that of Delhi.
This is a present from my uncle.
Bihar mangoes are better than those of Bangalore.
I may have offended, but such was not my intention.
He was the representative of the King, and as such they honored him.
That is the Red Fort.
Learn more about Pronoun and Types of Pronouns here.