1. Describe and model your application’s domain.
a. What’s in it?
b. What are entities?
c. How are the entities related?
This helps to create a database model.
2. Specify what can happen in this domain.
a. The domain model created in step 1 is static.
b. Identify all the actions that the entities can do.
3. Choose and design the publicly available view of the domain.
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