[Things that a less...medieval listener might take without a single thought, concepts that worked their way into pop culture via science fiction like multiple dimensions, those are utterly mystifying to Katherine.]

...Definitely weird. It's so odd to see daylight behind you but have stars above my own head, and neither of us in the Fade. That's-...um, that's the other one here, by the way. I assume the other is the one your dreams come from, too?

[What do other worlds call the Fade? That's the other plane before the city on the other side of the device she's alluding to, right? Maybe she's a mage, too. It's hard to imagine a world without these things.]