[Boom profile]-[XX]: For details regarding boom-profile go here.
Furlin: To be used with furlin masts.
E<[NNNN]: Maximum distance betweenmast rear to end of sail.
Reefing options: (explained)
Oper Aft: Trim to cockpit (furlin reef)
[N]-reef aft: Rear-reef operated/fixed from cockpit, manual front-reef.
[N]-reef jam: Rear-reef fixed in gooseneck jammers, manual front-reef.
[N]-single line reefs: Single line reef for both rear and front-reefs, operated from cockpit.
OH(N:1): Outhaul purchase. Unless specified, standard purchase is 3:1.