There are 4 types of figure of speech
simile - with as and like
ex. She is as tall as a tower. - She is like a tower.

metaphor - directly described
ex. Marriage is a souvenir of love.

personification- personify a thing or describe something to a not human
ex. The wind whisper in my ears.

irony - confusing
ex. i saw fish drowning and i must help it before he get dead. (funny? or confusing? wrong grammar?