The glimmer at the end of the tunnel is the culmination point.
It is the point where stories of different journeys meet and exchange notes. Some find commonalities, and others realize that so much of it was non-existent or irrelevant.
Some choose to go back and talk to the path, the branches, the sun and shade to check what caused the variation.
It is a point where storytellers refuse to go. Their hard work in putting a perspective on things turns to nought.
It is the point of Moksha (Final Liberation) – to know that our existence matters but in a limited context. Many perspectives and experience put together create the whole.
It shows a planet spinning around its own axis, moving in circles in its orbit, but the denizens do not know where they are going.