What does it mean when an SD card is corrupted?

Related questions

1. Can you format a SD card without losing data?
2. How does an SD card work?
3. Why does a SD card get corrupted?
4. Why can't I format my SD card?
5. What happens if I format my SD card?
6. What is SD card formatter?
7. Do I have to format my SD card?
8. What happens if SD card is damaged?
9. Why does an SD card get corrupted?
10. Can you format an SD card without losing data?

Tags

1. #appears
2. #device
3. #corrupted
4. #folder
5. #through
6. #system
7. #directory
8. #missing
9. #cannot
10. #folders
11. #messages
12. #error
13. #photos
14. #write
15. #cards
16. #unreadable
17. #indicates