Final answer:
The phrases "Set skin on fire" and "Tongue dipped in poison" are examples of imagery, which is descriptive language that appeals to the senses and creates a vivid sensory experience in literature.
Step-by-step explanation:
The phrases "Set skin on fire" and "Tongue dipped in poison" are examples of imagery. Imagery is a literary device that uses vivid and descriptive language to appeal to the reader's senses and create a visual, sensory experience. Rather than simply stating facts, imagery allows the reader to immerse themselves in the text through the use of language that evokes sights, sounds, tastes, smells, and tactile sensations. For instance, the phrase "Set skin on fire" might evoke a visual image of flames, the sensation of intense heat, and even the smell of burning. Similarly, a "tongue dipped in poison" may bring to mind the taste and deadly quality of poison, applying both a visual and gustatory image.