How does Stephen King use imagery in Carrie?

Example of Imagery:

"If only it would be today and Jesus coming not with a lamb and a shepherd's crook, but with a boulder in each hand to crush the laughter and the snickers, to root out the evil and destroy it screaming- a terrible Jesus of blood and righteousness. And if only she could be His sword and His arm."

In this quote, we become aware of Carrie's intense humiliation and devastation.