"Do Not Go Gentle into That Good Night" is best categorized as which type of literary form?

The work "Do Not Go Gentle into That Good Night" is best categorized as a poem because it utilizes poetic structure, including meter and rhyme, which are characteristic features of poetry. Specifically, this poem is a villanelle, a form known for its specific pattern of repetition and rhyme scheme that enhances the emotional intensity and thematic depth. The use of line breaks, stanzas, and the rhythmic qualities typical of poetry contribute to its overall impact and conveyance of meaning. Poetry is often distinguished from other literary forms by its focus on language and sound, such as the play of words and the creation of imagery, which are prominently displayed in this work. In contrast, novels, plays, and essays serve different purposes and employ different structures that do not apply to this piece.