As they have now got to grips with owning cows, Kelvin wants to expand the herd and is in the market for a bull - he therefore heads off to a local breeder to see what he has for sale.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.