To delve into the past, present and future, he uses windows. Not the kind of windows you find in a computer (that’s an entirely different kind of pane). No, FA gazes out upon the world through mystic apertures with his sixteen all-seeing eyes. This is what comes of having MINONA the sorceress for a mother.
Through his windows, FA can divine all. And to prevent him from crashing, it is ESHU’s job to open and shut the windows as and when they are needed. This could be the first Godly advance into structured programming.