This discussion has made me stop and think about this whole "touring" thing. I think Machka has made some good points.
If you take the "tour" out of the bicycle catagory for a moment think about this: If you're out for the day and take a "tour" of say the local cheese factory, that doesn't mean you're going to stay there overnite. So for me a tour can be a single day ride where you actually stop to look around and learn about the area you're cycling in as opposed to going on a ride to just get some miles in. Two fun, but different, things to do on a bike ride.
At least this makes sense to me. Others certainly are entitled to feel different.

Jim