Simply GTD with Kelly: The Nuances of Inbox Zero

I had an "ah-ha" moment yesterday, I think. The GTD workflow diagram, walks through a few key questions. The very first one is "What is it?" Before you even get to asking if it's actionable (yes or no) and then what you're going to about it (delete/do/delegate/defer), you need to figure out what it even is. Sounds simple and obvious enough, but I think skipping over that one question is what has so many people fusterclupped (my technical term for being confused and stuck) about getting In to