2 stanzas
Presents an argument, observation, or question in the first 8 lines
Turn (or “volta”) between 8th and 9th lines
Second stanza answers the question or issue posed in the first
Rhyme Scheme: ABBA, ABBA, CDECDE and 3 quatrains (4 lines each) and a couplet (2 lines)
Couplet usually forms a conclusion
Rhyme scheme: ABAB, CDCD, EFEF, GG ♀️