Aeon: An Aeon -according to the Devilist view- is a particular presencing of certain acausal energies on this planet, Earth, which energies affect a multitude of individuals over a certain period of causal time.
One such affect is via the psyche of individuals. This particular presencing which is an Aeon is via a particular nexion, which is an Aeonic civilization, which Aeonic civilization is brought-into-being in a certain geographical area and usually associated with a particular mythos.
*Note: Don´t confuse with "Aeon/s of time"; which is a common unity to mesure grand amounts of lineal time.
*Note II: Read "Aeonic Perspective".