04. Identify entities

What it is

Name persistent identities and value objects; describe relationships.

When to use it

Workflow step 4 of 17. Apply before moving to the next decision.

Syntax

4. Identify entities
Name persistent identities and value objects; describe relationships.

Example

User -> many Accounts.
Account -> many Transactions.
Transaction -> audit records.
Money: amount in minor units + currency.

Common mistakes

Skipping this decision makes later implementation depend on unstated assumptions.

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