Question

define: definitive * 1 point
purposeful; meaningful.
a type of writing that informs your reader on a certain topic.
that decides or settles a question; final.
a historical account or biography written from personal knowledge or special sources.

Explanation:

The word "definitive" means conclusive or final, settling a matter. It is often used to describe something that decides or resolves a question.

Answer:

That decides or settles a question; final.