One of them is pointy, one is round. They are both blue. They both have shapes. But one has different shapes like a diamond and the other is more circular. Hope this helps!
She means that whenever they find out the truth they will turn against what they thought was right and become their allies. I would hope she became right. I don't actually know what this play is.
Answer: Just show something similar to concepts of power, you could show a woman holding an upright hand, representing power with the word women or something, etc.