What is a primary purpose of using alliteration in poetry or prose?

Using alliteration in poetry or prose primarily serves to create rhythm and musicality. Alliteration, which involves the repetition of initial consonant sounds in a sequence of words, enhances the auditory experience of a piece of writing. It can bring a lyrical quality that draws the reader's attention and can make the text more enjoyable to read aloud. This rhythmic effect can set the tone of a piece, evoke emotions, and make certain phrases or lines more memorable.

While comparing and contrasting, conveying deep symbolism, and depicting vivid actions can all be important literary elements, they do not specifically relate to the primary function of alliteration, which centers on sound. Alliteration stands out in its ability to elevate the musical aspect of language, creating a unique reading experience that engages listeners or readers beyond the literal meaning of the words.