The requirements are organised and grouped by three levels of detail:
L0 - Business processes: Conceptual description of the essential functionalities needed for the operation of Simpl.
L1 - High-Level Requirements: Details of the workflow involved in a specific business process. The aim is to identify which steps and results are required, without going into implementation details.
L2 - Detailed Requirements: Specifics of the exact elements needed to implement the steps of an associated workflow. This level provides the detailed technical roadmap necessary to realise the outcomes set in L1.