Answer:
Visual aids are items of a visual manner, such as graphs, photographs, video clips etc used in addition to spoken information.
Answer: It helps foreshadow what is going to happen in the book and moves the plot forward. As he see though the eyes of others sometimes.
Explanation: I personally wouldn't because it seems terrifying and then I would be haunted by it.
Sometimes he whirled down the incline of a wave as if he were on a hand sled.
The man is clearly in a context of desperation or at least difficulty, stuck out at sea on a life preserver. The imagery brings one of a childlike delight or a fun situation. However that is contrary to the actual situation. The man clings to a life preserver, trying to survive, not have fun, but nature rolls on, indifferent to this man's plight.
