• Business Rules Analysis

  • Business rules may be separated from other requirements for implementation and management in a business rules engine or similar.

• Data flow diagrams

  • Shows how information flows through a system. Each function that modifies the data should be decomposed into lower levels until the system is sufficiently described.

• data modeling

  • Describes the concepts and relationships relevant to the solution or business domain.

• functional decomposition

  • Breaks down an organisational unit, product scope, or similar into its component parts. Each part can have its own set of requirements.

• organisation modeling

  • Describes the various organisational units, stakeholders, and their relationships. Requirements can be structured around the needs of each stakeholder or group.

• process modeling

  • scenarios and use cases

    • Describe the requirements that support the individual goals of each actor, or the response to the triggering event.

  • scope modeling

    • Requirements may be organised based on the solution components they are related to.

  • User stories

    • Describe the stakeholder objectives that the solution will support.