She eventually learns that she was meant to hear their conversation. She learns of the seriousness of the situation Atticus is in, and also that Uncle Jack made the mistake of not listening to Scout. She learns the things that are about to take place trial-wise.
1.women desire dominance over men
2.granting women dominance over men is the best interest of men
3.men who exert their natural dominance over women earn themselves a metaphysical or symbolic beheading and early death