Data Flow Diagram Conventions
Data Flow Diagram Conventions
Double Square: Represents External Entity
- Department, Business, Person, Machine
- Name with a Noun
Rectangle With Rounded Corners: Shows Transforming Process (Work Performed)
- Use Verb-Adjective-Noun Format for Name
Open-ended Rectangle: Shows Data Store
- Name with a Noun
- Does not Specify the Type of Physical Storage
Arrow: Shows Movement of Data