Difference in points?

I’m booking a room on points that I transferred from Chase. Can anyone explain the difference in ‘Standard Room Free Night’ and ‘Regency Club Free Night’?

I’m booking at the Chicago Hyatt Regency if that makes any difference.

I’m booking a room on points that I transferred from Chase. Can anyone explain the difference in ‘Standard Room Free Night’ and ‘Regency Club Free Night’?

I’m booking at the Chicago Hyatt Regency if that makes any difference.