[ Generally speaking, a bus is pretty easy to explain, but this guy seems — no offence — old-timey enough that Raylan has the feeling that saying a large car that carries many people is not gonna cut it. Boy, this is hard. ]

Well. It's a big... uh, vehicle. Like a cart, but it runs on gas, ain't pulled by nothin'. Point is, it's a pretty big vehicle, pretty tall and wide. Listen, that thing's squeakin' up a storm — you sure you wanna risk gettin' on it?