What is the text called when you hover over a picture?

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Tags

1. #cursor
2. #without
3. #clicking
4. #element
5. #common
6. #conjunction
7. #hovered
8. #graphical
9. #about
10. #information
11. #tooltip
12. #pointer
13. #small
14. #being
15. #hovers
16. #hover
17. #appear
18. #interface
19. #infotip
20. #usually