How does Gary D. Schmidt use imagery in The Wednesday Wars?

Imagery:

"When gods die, they die hard. It's not like they fade away, or grow old, or fall asleep. They die in fire and pain, and when they come out of you, they leave your guts burned. It hurts more than anything you can talk about. And maybe worst of all is, you're not sure if there will ever be another god to fill their place. Or if you'd ever want another god to fill their place. You don't want fire to go out inside you twice."

"She was standing with her hands up to her face, watching the pictures from Vietnam like she was watching for someone she knew. Actually, like she was watching for someone she was worrying about. Someone she loved."