Some ideas I've had for the icons and which I'd like some feedback on can be seen at http://img171.[That shack with the images that I can't link to because of the filter].us/img171/9430/completecomprehensiveap.png. These are just rough ideas made in MS Paint, the finished icons should look a lot better. They were designed with the plan of making a visual metaphor for completeness. My own personal thoughts: