what

- pronoun
1. used interrogatively as a request for specific information; to inquire about the character, occupation, etc., of a person or the origin, identity, etc., of something.
2. whatever; anything that.
3. the kind of thing or person that.
4. as much as; as many as.
5. the thing or fact that.
6. that; which; who.
- noun
7. the true nature or identity of something, or the sum of its characteristics.