This document provides definitions and examples of common literary devices including simile, metaphor, personification, speaker, alliteration, and assonance. It defines a simile as a direct comparison using "like" or "as" and provides examples from poems. Metaphors are implicit or hidden comparisons without using "like" or "as." Personification gives human attributes to non-human objects or ideas. Speaker refers to the narrative voice in a poem. Alliteration and assonance involve repetition of consonant and vowel sounds respectively.