Figurative - expressing one thing in terms normally denoting another with which it may be regarded as analogous.
Figure Of Speech - a form of expression used to convey meaning or heighten effect often by comparing or identifying one thing with another that has a meaning or connotation familiar to the reader or listener.
Imagery - the art of making images.
Trope - the used of a word or expression in a figurative sense.
They're all involved in the usage of words and how things are said. They give special effects to something be read or listened to.
