Requirements engineering

https://en.wikipedia.org/wiki/Requirements_engineering

• 1. Requirements inception or requirements elicitation -

  2. Requirements identification - identifying new requirements

  3. Requirements analysis and negotiation - checking requirements and resolving stakeholder conflicts

  4. Requirements specification (e.g., software requirements specification; SRS) - documenting the requirements in a requirements document

  5. Systems modeling - deriving models of the system, often using a notation such as the Unified Modeling Language (UML) or the Lifecycle Modeling Language (LML)

  6. Requirements validation - checking that the documented requirements and models are consistent and meet stakeholder needs

  7. Requirements management - managing changes to the requirements as the system is developed and put into use