Unrestricted and restricted narration

Unrestricted narration:
This gives the audience more idea of whats going to happen compared to what the characters within the movie know about whats going to happen. This gives the audience two viewpoints of a insitent.

Restricted narration: 
This shows the audience only one point of view which grows the suspense of whats going to happen to the character. The viewer only knows as much as the character does.