What does priority and 2 cabin bags mean?

Related questions

1. What is considered a small bag on Ryanair?
2. What is the free baggage allowance on Ryanair?
3. What are the new baggage rules for Ryanair?
4. What are the new Ryanair baggage rules?
5. Is there a size limit on Ryanair checked baggage?
6. How much is priority and 2 cabin bags Ryanair?
7. Can I add luggage after check in Ryanair?
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Tags

1. #bring
2. #avail
3. #allows
4. #cabin
5. #front
6. #locker
7. #stored
8. #overhead
9. #under
10. #which
11. #other
12. #priority
13. #queue