When reading a passage that describes a character trying to get out of an extremely dangerous situation, one would expect the author to use Suspense. When the suspense is used in the writing it is tried to maintain the expectation on a resolution or the state of tension in a certain situation. The impatient expectation of the viewer or reader is sought for the development of an action.
Anti-climax greatly annoys readers. If they're going to put the time into reading something because it has an engaging plot, they're going to expect an equally interesting climax to arise out of that plot. If the readers don't get that, they're going to feel cheated.
I would say suit doesn't belong.
All of the other words could be classified as verbs, and suit simply as a noun in almost any case.
Answer:
it's a type of frame thing for an image. i will try to describe it: the edges of the image fade instead of it being rectilinear.
example of vignette frame
notice how the image fades into the edges