I am on the Design Research Listerv and every once in a while a discussion rages online about the defining design.

Gunnar Swanson (of the Gunnar Swanson Design Office and faculty at at East Carolina University) has created a flash movie that (as he says) “lays out some ideas and questions on the subject” in a attempt to question his (and others) notions of what design is about.

It is a biggish download, and a longer than it needs to be (I think). Check it out here.