Several stanzas, each with a different number of lines. Other times, a stanza is long, making up the entire poem. The stanza in a poem is like a paragraph in prose.
What should you revise?
You must also learn how to use line breaks, simile, metaphor, rhythm, imagery, vivid descriptions, alliteration, and more.
The stanza in poetry is a device for organizing related ideas. There are many valuable resources that will teach aspiring poets how to write free verse poetry. A good poem is the result of many revisions. When do you know when your poem is finished? Be sure you are using action verbs.
This is a must read.