Alliteration: repetition of beginning sounds
"How much wood could a woodchuck chuck if a woodchuck could chuck wood
Allusion: Somthaing said or written that mentions a subject
"You are a tree"
Metephor: comparing two things without like or as
"You are smarter than a rock"
Hyperbole: extreme exaggeration
"I can eat a horse"
Idiom: a commonly used expression that's meaning is different from its literal meaning
"When pigs fly!"
Personification: giving an inanimate object human like emotions
"The walls glared at me as if I had kicked them"