Answer: Validation
Explanation: Validation is the act regarding the requirement checking for defining a system , need of user, development etc. The steps involved in the requirement validation of system is consistency, complete and achievable. These helps in checking the problems of requirement and how it can be completed and achieved.
Other options are incorrect because hunting is referred as searching performed in system,gathering is collection of the resources and representing is the presentation or display of system's components and requirements.Thus, the correct option is validation.