Symbols in 'The Hunger Games'

What am I learning?

I am learning how to identify and understand symbolism in a film, and how to explain what symbols mean.

How does this work show my learning?

I have identified symbols that are used throughout 'The Hunger Games' and explained what they mean, along with whereabouts in the film you can find them.

What am I wondering?

What other symbols are there in the Hunger Games, and in the other movies in this series.