Here is Seabourn's program, maybe Margo can expand since a lot of this is ambiguous.
Club membership has its rewards
When you sail with us, you’ll feel as if you’ve joined a private club. And you have—because once you complete your first Seabourn cruise, we automatically enroll you in the Seabourn Club. Reserved exclusively for previous Seabourn guests, the Club features special rewards and incentives designed to make your future Seabourn cruises an even better value.
Seabourn Club At Home Benefits
Exclusive 50% savings on selected Club Signature Value sailings
Seabourn’s club magazine, Club Herald, and periodic mailings featuring destinations, special programs and exclusive offers
An exclusive online e-mail contact point to the Club Desk thru our contact us link
Seabourn Club Onboard Benefits
Bonus 5% Onboard booking savings, plus other savings programs, on a future sailing that is booked while on board a Seabourn cruise
Complimentary cruise of up to 14 days awarded after 140 days aboard Seabourn
Special recognition for our frequent cruisers
Private Club party hosted by the Captain and senior officers