MAA A good place to look for a definition of flow is in Mihaly Csikszentmihalyi s book called Flow. Flow is an optimal experience typically experienced during sports, games and hobbies.
Athletes describe it as being in the zone.
Time gets distorted and you experience life as full and intense. You feel joy, creativity, a total involvement in life. There is a zen-like quality to flow. It has a spiritual quality. Before going forward, there must be a disclaimer.