After identifying the requirements, create Analysis Models. You may either use the classical approach and draw Entity relationship diagram and data flow diagrams (DFD’s) up to level 2-3; or you may take object-oriented analysis approach and create class diagram, use case diagram, use cases etc.

If we take an object-oriented analysis approach, we can create the following analysis models:

1. Class diagram: This diagram will represent the different classes involved in the system, their attributes, and the relationships between them. The classes can include customers, orders, products, payments, and employees. The attributes of each class can be identified based on _____ ________ _________ _____ ____ _________ _______.
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