Difference between Verification and Validation

Verification and Validation are important during the Software Life cycle because they help us to find and correct errors as soon as possible, thus preventing the delivery of a faulty product to a costumer. Is it a good product or not?

Two testing terms frequently used but often confused

Testing = Verification + Validation

Source:

http://www.softwaretestinghelp.com/what-is-verification-and-validation/