Process requirement: A requirement related to the development process. Product: An output of a process. Product requirement: A requirement related to the product of the development process. They affect quality of the product. Product risk A risk directly related to the quality of the product. See also Risk. Project: A project is a unique set of coordinated and controlled activities with start and finish dates undertaken to achieve an objective conforming to specific requirements, including the constraints of time, cost and resources ISO 9000]. Project riskA risk related to management and control of the project. See also risk. Prototype: An early sample or model built to test a concept or processor to act as a thing to be replicated or learned from. In Requirements Engineering prototypes can be used for requirements elicitation and validation.
