In possessive pronouns , the pronouns:

Words used as substitutes for nouns and noun phrases in a sentence are called pronouns, and there are eight main categories of them- Indefinite, Personal, Reflexive, Possessive, Demonstrative, Relative, Interrogative, and Emphatic. Possessive pronouns are roughly those kinds of pronouns that are used to indicate ownership of an object to a person. For example, ' This Playstation is mine', here 'mine' indicates ownership. Unlike possessive adjectives, possessive pronouns do not directly depend on nouns.