When I see words like nestable and infinite, I assumed this would be something where you can draw a diagram and then zoom in or out to see it at different detail levels. IE, draw a CPU diagram and zoom out and it becomes a simple box. Then you construct a motherboard around it. So I can see it as a simple block diagram at motherboard level, but as I zoom in the motherboard disappears and I am in the context of the CP…
I used to make entire presentations, systems diagrams, story boards, etc all using scale as a meaningful piece of information. You could go way overboard with it but it was really great. (We used to have a saying "Your Prezi is making me dizzy" for folks that overdid the flying nature)