Epigram is a brief, pointed, and witty poem of no prescribed form. Free Verse has no identifiable meter, although the lines may have a rhyme-scheme. Heroic Couplet is two lines of rhyming iambic pentameters. Possible source of origin is Limerick, Ireland. Lyric is a poem of emotional intensity and expresses powerful feelings.
Parody is a humorous imitation of a serious poem.
Quatrain is a four-line stanza with various meters and rhyme schemes. Sonnet is a fourteen line poem. The Spenserian sonnet, developed by Edmund Spenser, has three quatrains and a heroic couplet, in iambic pentameter with rhymes ababbcbccdcdee. The English sonnet , developed by Shakespeare, has three quatrains and a heroic couplet, in iambic pentameter with rhymes ababcdcdefefgg. A Research and Reference Guide .