It's really funny how she mostly doesn't seem to be paying attention when we're talking, but every once in a while she just latches onto a word or phrase that she hears us say.
One of her books has the phrase "take the rap" and every time we read it she says "Rap!?! What's 'rap'?" It doesn't matter how many times we've read it, that phrase always catches her off-guard and she's always excited by it.