A young boy learns that 'heaven' is understanding how Grandpa's influence continues long after he has passed away.
As his family relates precious moments they had with Grandpa, the grieving young son can't understand 'where' Grandpa is. The father wisely portrays Heaven "as any place two people who love each other have shared some time". The boy grasps the useful lesson that Grandpa's 'presence' lies in his ongoing relevance to their lives, though he no longer physically exists. The understanding enables him to tell them his own memories—emotional stuff!