The coming to know the self. The who we are and why we are and how we are. What actions we take predicated on knowledge at the time. Instinctual reactions to situations. Growing and changing as we learn more of the world and the impressions made upon us.
Tree rings show the growth. Rain, drought, wind, nature reflect in that ring. Does man have a growth ring? Do we have a count, reckoning of our lives as trees?