What are the symbols from bud, not buddy?

Symbol: The Hooverville Campfire

The campfire in Hooverville symbolizes the melting pot of diversity the Hoovervilles have become since the onset of the Great Depression. In the light of the fire, no one is black or white or Hispanic or Asian-they're all just different shades of orange, huddled together for warmth and support

Symbol: The Sweet Pea Restaurant

The Sweet Pea Restaurant symbolizes something very special for Bud, and it is the first place he is able to cry after claiming over the whole narrative that he hadn't cried in forever.

Symbol: Bud's name

Momma stresses that Bud needs to go by Bud, not Buddy. She speaks metaphorically of him as a Bud, but we can probe the symbolism of a bud as well. A bud is a flower-a living, breathing, beautiful creation of nature