The use of repetitive syntax (sentence structure) to make a point. (E.g. I came, I saw, I conquered.)
Overstatement
Idiom
Understatement
Oxymoron
Extreme exaggeration for effect.
A play on words that is meant to be humorous. (E.G.: I thought the baseball was getting bigger, then it hit me.)
A group of words that means something completely different together than apart. (Ex.: Jane is on thin ice in at home.)
A reference within a story to another story, song, or poem.
Trying to downplay something for dramatic or comedic effect. (E.G. "We teachers are rather good at magic, you know," Professor McGonogall said.)
Parallelism
To make something bigger than it is. (E.G.: The mouse was three feet long!)
Allusion
Hyperbole
Pun
Two words used side-by-side that have opposite meanings. (E.G.: It is a definite possibility that we'll get rain today.)