What's the difference between a corporation ("the term denotes a body corporate formed to conduct business" - Wikipedia) and a (large or small) business?
I'd say that a "corporation" is a "large business" that has offices in more than one country and is traded on an exchange/has investors in some other way.
Probably best answered by the poster, though.
I guess I was trying to imply a huge business with suits and cube farms and offices around the world... think an international bank or similar.
I would ask directly, then. For example "How many people work in your company?" or "In how many countries does your employer have offices?"
I would answer "who knows" to both of those things ('s not like i'm in HR) but I'd still be able to get a sense of whether I was working at a business or a corporation from the culture.
Thats a good description, thats what I was really going for.