Funpoints are issued for group bookings. I believe they vary depending on the group size, cruise date, things like that. They can be used for amenities, shipboard credits.
Yes, as Dave noted the Fun Points are concerning group bookings. The points are decided by the group leader and/or the booking agent as far what they can be used for.
Here is a sample of the amenities and on board credits.
Bon Voyage Champagne and Chocolates
Bon Voyage Sparkling Cider and Chocolates
Premium Bottle of Champagne and Canapes
Bottle of house White wine (in stateroom or at dinner)
Bottle of house Red wine (in stateroom or at dinner)
Bottle of White wine, cheese and crackers
Bottle of Red wine, cheese and crackers
Carnival Robes
Photo Coupon 8 x 10 Group photo
Bon Voyage Memory Box
Carnival Tote Bag
Shared Cocktail Party (maximum 50 staterooms)
Private Cocktail Party
Coffee-Danish Breakfast Meeting