What do the numbers in Anki mean?

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Tags

1. #shown
2. #shows
3. #middle
4. #repeated
5. #learning
6. #review
7. #three
8. #question
9. #numbers
10. #preferences
11. #guide
12. #underlined
13. #means
14. #prefer
15. #number
16. #represent
17. #cards