This document defines and provides details about several poetic forms: - The ode is a single, unified poem that celebrates a single theme or idea with a formal tone. It can be about any subject and vary in length. - A haiku is a short three-line Japanese poem about nature that follows a specific syllabic structure. - An elegy is a formal poem, sometimes with rhyme and sometimes not, that memorializes a person or reflects on death or another serious topic. - A sonnet is a fourteen-line poem that follows a specific rhyme scheme, most often iambic pentameter. It can praise or comment on its subject.