It is that assumed by most role as the final permanent uniter of the Two Egypts. That is the clear observable part of the overall evolving Demonstrative Role of the the Divine King, to which I was referring.
I was remiss in not having included the "demonstrative" in my initial comment.
It is important to emphasize to all the posters here that the pyramid building age did not exist in a vacuum
That can lead back to looking at the Gizamids in isolation, which is where all the problems begin.