alliteration- a word or phrase that gets said repeatedly throughout the poem. (mood: if you want your reader to feel more, repeat a specific word.)
repetition- this is about the same thing, but this is usually more obvious to the reader. (mood: whatever you’re repeatedly conveying to the reader is what they’ll remember)
onomatopoeia- writing about a subject by describing how it sounds. (mood: getting a better image in your head)