What is the difference between activity and action in UML?

Related questions

1. What are the elements of activity diagram?
2. What are the symbols used in activity diagram?
3. What is the difference between state chart diagram and activity diagram?
4. What is importance of UML?
5. What is the difference between activity diagram and sequence diagram?
6. What are Behavioural diagrams in UML?
7. What is action in activity diagram?
8. What is the importance of UML?
9. What is the difference between flowchart and activity diagram?
10. What is Activity diagram explain with example?

Tags

1. #modeled
2. #replace
3. #activities
4. #actions
5. #complex
6. #subactivity
7. #state
8. #reused
9. #defines
10. #action
11. #effect
12. #explicitly
13. #places
14. #simple
15. #containing
16. #behavior
17. #activity