Determiners tell the degree of quantity or proximity of the noun/s after them.
Types Examples
1. Articles a, an, the
2. Demonstratives this, that, these, those
3. Specifier such
4. Quantifiers any, each, every, either, neither
5. Negatives no, not any, not a single
6. Possessives my, your, his, her, its, our, their
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Hope it helps =)