Match each of the key terms listed with the definition that best fits it.

___________ The origin and/or destination of data; sometimes referred to as external entities.

Here are the key terms from the chapter. The page where each term is first explained is in parentheses after the term.

1. Action stubs

2. Balancing

3. Condition stubs

4. Context diagram

5. Data-flow diagram (DFD)

6. Data store

7. Decision table

8. DFD completeness

9. DFD consistency

10. Gap analysis

11. Indifferent condition

12. Level-0 diagram

13. Level-n diagram

14. Primitive DFD

15. Process

16. Process modeling

17. Rules

18. Source/sink