A STANZA is a group of lines in a poem or song, typically forming a unit of a larger work. A VERSE is a single line or group of lines in a poem or song. A BRIDGE is a section of a song that provides a contrast to the VERSE and CHORUS, often providing a transition between them. A CHORUS is a repeated section of a song, typically following the VERSE. An eightbar is an eight-measure musical phrase, often used as a transition between sections of a song. Together, these five terms describe the different sections of a song.