Read the excerpt from "Rainforest Magic."

The river gently flowed under our boat and was the color of mud. The wind sang through the bright green trees on both sides of the river. By the time we got to the cabins in the middle of the rainforest, darkness spoke to us. There were no lights, so we followed our guide with a flashlight.

How does the figurative language used in this excerpt add meaning to the text?

It describes the setting of the story.
It introduces the characters of the story.
It shows the conflict of the story.
It tells the climax of the story.