V-model: A framework to describe the software development life cycle activities from requirements specification to maintenance. The V-model illustrates how testing activities can be integrated into each phase of the software development lifecycle.
validation: Confirmation by examination and through provision of objective evidence that the requirements for a specific intended use or application have been fulfilled.
value-based quality: A view of quality, wherein quality is defined by price. A quality product or service is one that provides desired performance at an acceptable cost. Quality is determined by means of a decision process with stakeholders on trade-offs between time, effort and cost aspects.
variable: An element of storage in a computer that is accessible by a software program by referring to it by a name.
verification: Confirmation by examination and through provision of objective evidence that specified requirements have been fulfilled.
version control: See configuration control.
vertical traceability: The tracing of requirements through the layers of development documentation to components.
volume testing: Testing where the system is subjected to large volumes of data. See also resource-utilization testing.