What is the most important characteristic of a done increment?

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Tags

1. #during
2. #means
3. #increments
4. #backlog
5. #which
6. #scrum
7. #value
8. #sprint
9. #product
10. #condition
11. #items
12. #increment
13. #previous
14. #completed
15. #definition
16. #sprints
17. #useable