Maybe what we really need to discover is not what these terms mean to others but what they mean to us in our lives and practice. The search for answers, I believe, is more internal than external. It is developing meaning for yourself. Sure you can engage in discussions to help guide your self-discover process but fundamentally these question must be answered by each of us in a way that means something to us and our training.
Or maybe we can hold the question and the phenomenon of aikido in the universe will answer for itself; If we do more listening than talking; more senseing than thinking, more moving than resisting.