Devices on the raven and incident in a rose garden

In "The Raven" by Edgar Allan Poe, internal conflict is the device that plays a large role. He uses it when he says,"sorrow for the lost Lenore." it plays a large role because it's saying how bad he misses his girlfriend.
In "the incedent in the rose garden" by Edgar Allan Poe, imagery is the device that plays a large role. He uses it when he says, "dressed like a Spanish watter being patient." It plays a large role because it shows how we can see his personality.