How do you define a use case?

Related questions

1. What is atlassian tool?
2. Who should write user stories?
3. What is the Atlassian stack?
4. What are Jira issues?
5. What does trello stand for?
6. What is trello good for?
7. What are 3 C's in user stories?
8. What is difference between epic user stories & tasks?
9. What is a good user story?
10. Why is it called Trello?

Tags

1. #features
2. #modeling
3. #defines
4. #describes
5. #software
6. #technique
7. #implemented
8. #accomplish
9. #resolution
10. #engineering
11. #errors
12. #system
13. #encountered
14. #particular