“With a pyramid, there are four sides to every storey.”
“...and none of them baseless.”
And the point is....?
As SunkenCiv already observed, in #10 above, the point is the sharp thing at the top.
Please, don't turn this into an Abbot & Costello routine; we've already covered all four bases sides. What we need now is a pitcher picture...
...so here's a pyramid with a pancake on its head.