That still sounds like 'meta' is a direction of (metaphorical) movement, but that it can be a different direction every time. Do you suppose you could have a situation where repeatedly 'going meta' would have you moving from one subject to the other and then back again, and again?
I think it's more of a relationship than a direction. There can be many metadiscussions to one object discussion, and there can of course be many object discussions for the same metadiscussion.
Another month, another rationality quotes thread. The rules are: