What do the various iTunes Match icons in iTunes mean?
Enabling iTunes Match adds a new default column to song lists in iTunes that displays several new icons:
What do each of these icons (as well as no icon at all) mean?
Solution 1:
Apple's iTunes Match: Understanding the iCloud Status icons KB article explains.
So, your icons in order are:
- Available for download
- Waiting
- Error
- Duplicate
- Ineligible
If you're having problems, take a look at the Troubleshooting iTunes Match article.