> Them being circular has nothing to do with what are they representing.
Please read my comment, that's what it says right after the first comma.
> They are showing off the idea of hiding implementation through abstracting it. This is the exact same concept that both of these photos are showing.
My comment breaks down how the hiding of implementation is completely different between the two, can you point what you think is incorrect so we're not talking past each other? Or is there anything you need clarification on?
