This document defines various poetic terms: Rhyme is the repetition of sounds, most commonly end rhyme where the final words rhyme. Rhythm refers to the regular occurrence of stressed and unstressed syllables. A stanza is a group of lines with the same metrical pattern. Common stanza forms include the couplet and quatrain. Meter is the pattern of stressed and unstressed syllables in a line of poetry. Other terms defined include assonance, alliteration, onomatopoeia, and sonnets. Free verse has no set rhyme or meter.