She's right. He also doesn't know what a camera is. He can guess, though, if that's what's coming to mind, so the look he gives her is at first blank, and then considering.

"A communicator, normally. Sometimes those communications can be stored inside crystals to view at a later date."

They're rare, and not really what he comes across often. An object the mages of court might make use of, rather than a lone druid in the hut of a off-path village. He's fascinated, a bit, by this idea of recorded plays and retellings, partly because he realizes he might've seen something of the sort. In Sam's house, during his initial visit, passing through into the kitchen.

"Can you play them on smaller...screens?"