Scarlett letter socratic help?

For school i am having a socratic(a group discussion where we are asked questions). I need some help with Static(not changing), Dynamic(changing), Round(lots of traits), flat(not many traits), symbols, motifs, and the theme of the story.... If you could give me your explanations and/or textual evidence on any of the above that would really help... I read but i just want to get the best grade possible. oh and protaginist and antaginist