Really fascinating comments from Murray regarding the mystic letters. Would be interesting to suss out if there are any correspondences with the Hebrew language, which is frequently ascribed magical properties.

In this I hear echoes of the "like unto like" theme we touched on previously, and which, IMHO, is the theoretic basis for sympathetic magic (and, I would add, divination). In this case, the ritual objects or places share in some way with the gods above (perhaps as material manifestations of them), and the adherent is afforded a degree of communion (insofar as any mortal may, and depending on an individual's aptitude for receiving the influence) by observing specific rites.