For those of you struggling to figure out what exactly it is Enterra does (a constant challenge we face in interacting with people, who, like the three blind guys with the elephant, always want to toss us into various recognizable categories), this post from Steve is another brick in that wall of analogies. metaphors, etc. that we employ.
Is it a bitch to market something so complex to explain? No, actually, it's a great mental exercise.