In his novel "Heart of Darkness", author Joseph Conrad utilizes the mysteriousness of the jungle in order to represent the darkness in a man's heart
.....Kurts..... More words.... Ivory...
"Wood for you. Hurry up. Approach cautiously." Imagery: Utilizes the image of the hut and the mysteriousness of the wood pile for the ship
Wood for you
"When daylight comes, the fog still blinds them, seeming even more sinister than the night." Metaphor: The fog of the jungle represents the unknown of what is to come and the feeling of being lost.
"'Will they attack?"
"'And by the way, I suppose Mr. Kurtz is dead as well by this time." Allegory: Kurtz has become an allegory because he's a real person, but to Marlow, he has become something much bigger. He's a person with all the answers to everything he wants to know.
Kurtz must be dead now...
One does not simply talk to Kurtz, one listens to Kurtz. He enlarged my mind.