What are the 5 major requirements of engineering activities?

The five key requirements for engineering activities are: Inception, which focuses on comprehending the problem and possible solutions; Elicitation, the act of gathering requirements; Elaboration, which involves refining those requirements; Negotiation, the process of agreeing on solutions with stakeholders; Specification, where requirements are explicitly described; Validation, to verify the accuracy of those specifications; and lastly, Requirement management, which entails maintaining and modifying requirements as required.

For a comprehensive understanding of requirements engineering activities, consider enrolling in a BCS Requirements Engineering course.