Metaphor:A figure of speech that compares two unlike things by stating that one thing is another, without using the words "like" or "as". For example, "His heart was stone."
Personification:Giving human characteristics to non-human objects or ideas. An example would be saying, "The wind whispered through the trees."
Hyperbole:Exaggerated statements used for emphasis or effect. For instance, saying, "I've told you a million times."