(Answered) : Hello, This afternoon, I was listening to two Systems Engineers argue in the lunchroom. It was kind of frightening. Apparen

Hello,

This afternoon, I was listening to two Systems Engineers argue in the lunchroom. It was kind of frightening. Apparently, a fight nearly broke out over the definitions and application of two terms: validation; and verification. To me, it sounded like they meant the same thing, i.e., were interchangeable, but I suspect they have different meanings. Anyway, neither of the SE pugilists were in a mood to answer my questions after the discussion ended.

Would you please send me two paragraphs that provides: 1.) a practical definition of both terms, for Validation and Verification; and 2.) your views