What does the term "stanza" refer to in poetry?

The term "stanza" in poetry refers to a section of a poem, which typically consists of a group of lines that form a unified thought or idea. Stanzas help to structure a poem by organizing its content in a way that enhances readability and conveys meaning. Each stanza can vary in length and rhyme scheme, contributing to the overall rhythm and flow of the poem.

Understanding the role of the stanza is crucial to analyzing poetry, as it creates pauses and shifts in tone or theme, much like paragraphs do in prose. This makes "B" the correct choice, as it directly captures the essence of what a stanza is in the context of poetry. The other options do not accurately describe a stanza; a single line of verse is known as a line, the entire poem encompasses all the stanzas, and the theme is the overarching message or subject of the poem rather than a structural element.