What does priority date mean in NVC?

Related questions

1. What is the difference between CG and CGI?
2. How long does it take to get an interview after NVC?
3. How do I find my CGI reference number?
4. How do I contact NVC for case status?
5. What is the receipt number for US visa?
6. Have you ever been refused a US visa 221g?
7. Has anyone ever filed an immigrant petition on your behalf explain?
8. Have you ever been refused a US visa?
9. How do I know if NVC received my case?
10. What is the purpose of CGI?

Tags

1. #petition
2. #filed
3. #received
4. #united
5. #behalf
6. #states
7. #immigration
8. #citizenship
9. #priority
10. #family
11. #applicants
12. #sponsored
13. #services
14. #uscis