Varification: it is the process of confirming that s/w "meets its specification".It involves reviews and meetings to evaluate documents,plans,code,requirement and specification.This can be done with checklist,issues lists amd walkthroughs.
It is the examination of the process and checks r we building the product right
Validation: It is the process of confirming that it "meets the user's requirements".Validation typically involves actual testing and take place after varification are