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Start with the business problem you need to solve. You do not need to read every concept first; after completing one real scenario, the Product Concept is easier to understand. If you only want to understand the system quickly, start with a read-only question:
“Tell me the number of purchase orders, suppliers, and products this month, and show the data source and update time.”
The system locates business entities in authorized resources, discovers and simulates a query action, and returns the result with audit evidence. If your organization has a procurement resource, see Procurement Quote Comparison; otherwise use an existing semantic model and follow Semantic Analysis.

Continue by responsibility

After choosing a business scenario, follow the path for your responsibility: When a step fails, use First Failure Troubleshooting and trace the first page state that is not ready.