Answer1. Simile, 2. Sibilance and 3. Enjambment.
Explanation: a simile is a comparison that usually uses the word "like", in this lines we can see a simile in "She walks in beauty, like the night" he is comparing her beauty with the night. Sibilance is the repetition of "s" or "sh" sounds, we can s
Step-by-step explanation: