Answer is Validation Testing
The process of evaluating software during the development process or at the end of the development process to determine whether it satisfies specified business requirements.
Validation Testing ensures that the product actually meets the client's needs. It can also be defined as to demonstrate that the product fulfills its intended use when deployed on appropriate environment.
It answers to the question, Are we building the right product?
Verification is the process of evaluating work-products of a development phase to determine whether they meet the specified requirements.
verification ensures that the product is built according to the requirements and design specifications. It also answers to the question, Are we building the product right?