If you are asking what is a stanza, then it is <em>the line structure of the poem.</em> Stanzas can be long or short in a poem. Poems are usually structured and divided in stanzas.
I would say the answer is move.
hope this helped
Answer:
They tell what each section is mostly about
Explanation:
For example if you were writing a paragraph about how your dog looks you're header might be something like "About My Dog" or something to that effect. Sorry I'm not very good at explanation but I hope this helped you. :)