List some important ideas that walk the two moons include. why did you pick those ideas? i dont get what is means by ideas pl

I read the book and I think the "ideas" they pick up is:

Don't judge a person until you've understood what they're going through. Sometimes, as humans, we are too quick to judge someone. We need to understand the scenario that person is in before assuming or accusing them of something.

Death is what you make it to be. In the first part, Sal thought death was IT. The only way to see her mother again was if she rose from the dead. However, at the end of the book Sal realizes that death doesn't have to be IT. As long as she remembers her mother and keeps her in her mind, her mother will always be with her. 

The position of the senate