The setting of this poem is at Poe's house in the deep darkness. He witnesses a raven that appears at his door and reminds him of Lenore. The poem takes place at his front door, foyer, and bedroom in which each room he experiences a different type of pain.
This line in the poem helps create a sense of horror by creating a dark scene where the embers from the fire bring upon ghosts.
"And each separate dying ember wrought its ghost upon the floor."
" And the silken, sad, uncertain rustling of each purple curtain Thrilled me—filled me with fantastic terrors never felt before;
This line in the poem uses imagery to describe Poe's location and surroundings and the way he feels when around them