The first significance to understand is “yana” (or “anna” in Pali) contained within the word. Yana means vehicle – or a mechanism – that takes one from here to there. In meditation training, vipashyana is used to take one from delusion and illusion to truth and reality.
As shamatha is the ground of meditation, vipashyana is the spacious sky.
advancing mar2718 what is vipahyana