getting closer. . .
P/Pi is a symbol of a doorframe.
Peh in hebrew means a mouth. . .
if you figure this out it's worth all the marbles.
in hoc signio vinces.
if you connect labarum and labrys you will be 90% there.
the "keystone" . . .think about it. 'what you bind on earth will be bound in heaven. what you loose on earth will be loosed in heaven.
not sure you even realize what this is. . .'windows' are the least of your concerns. think DOORs and KEYS
the little 'P' on top of the vexillum holds something. the keystone