How does the author use vivid language? Describe the vivid language the author uses?

One example of descriptive language is the way that Martel described the hyena. In the novel, he uses both visual and auditory imagery.

"All morning the hyena ran in circles going yip yip yip yip yip . . . every lap was identical to the previous one, with no variations in movement, in speed, in the pitch or the volume of the yipping . . . Its yipping was shrill and annoying in the extreme. Even the zebra, which at first snorted each time the hyena raced by its head, fell into a stupor"