The University of SydneyPage 22Orion Strategy Process–Activity 5–Comparison of the ideal with the current–Conceptual model as a base for structured questioning–Comparing history with model prediction–Model overlay–May lead to multiple reiterations of activities 3 and 4–Activity 6–Identify and analysemeasures to fill gaps–Review a wider context of the problem domain for possible alternative solutions–Make sure no alternatives are dismissed