When Maggie points, Alyssa will nod and try to fill in those parts of her drawing, turning some empty lines into a shirt or pants or something, or finishing up enough of a face to make it clear that it's Leah. She makes a point to try and fill in parts that Maggie is pointing to first, to show her what they are supposed to be.
Alyssa, noticing the cloak, takes a moment to pause in her drawing and talking to Maggie to admire it. "Wow, this is a p-pretty nice cloak. I, um, think it'd be pretty good for cold?" She looks over at Leah to see what she thinks.