: Verification asks, "Are we building the product right?" (checking against specifications), while validation asks, "Are we building the right product?" (ensuring it meets user needs).
: Testing the complete, integrated system to verify end-to-end performance and functionality. Software Testing
(PDF) Software Testing Techniques and Strategies - ResearchGate : Verification asks, "Are we building the product right
: A detailed set of conditions, steps, and expected results used to validate a specific functionality. : Verification asks