"There's not much to it." In one sense (and from a New Yorker's perspective) that's true--commit the tram routes to memory and navigating Taxon isn't hard. In another sense, of course, there's more to the city than Don or anyone else knows or can know.

He plucks the cigarette from his mouth and reaches offscreen to stub it out, presumably in an ashtray.

"I'm gonna switch back to audio; if you want you can use the buttons to do the same. For now just head down the hallway."