Determiners

'Determiner' (also called prenominal modifier) is a word or a group of words that specifies, identifies, or quantifies the noun or a noun phrase that follows it.
It is important to know that quantifiers are not adjectives and are used before adjectives.
There are different types of determiners in English. Such as demonstrative determiners, articles, quantifiers, etc.
This, that , my , your , a, an, the, etc, are all considered determiners.