Meaning of what's In English

• 0 short form of what is or what has:

  • What's (= what is) that stuff on your forehead?

  • They want a list of what's (= what has) been stolen.

• 1 contraction of what is or what has:

  • What's (= What is) that stuff on your forehead?

  • They want a list of what's (= what has) been stolen.