1. Structure in Poetry

3. Verse
A single line of a poem
It is often confused with a stanza

4. Stanza
A grouped set of lines in a poem, set apart from others with a line of space
The paragraph of poetry

5. Refrain
A grouped set of lines in a poem, set apart from others with a line of space
The paragraph of poetry

6. Couplet A pair of two lines in a poem that contain end rhymes
One of the most popular structures

7. Quatrain
A stanza or poem that contains four lines

8. Octave
A stanza or poem that contains eight lines.