The Chain of Being in Plato's Philosophy

Aristotle will be Plato's most famous student, and Aristotle will have significant disagreements with his master. The God dude up there at the top of that chain in Plato's system is the one that's the highest, most real form of being. I think also secret societies come up. And a lot of the scholars are debating and we just don't know how literal it does Plato mean this.