What does that mean?
Each show animal is supposed to look a certain way. To feel a certain way. To move a certain way. The ARBA (American Rabbit Breeder's Association), wrote a book on how each rabbit and cavy (guinea pig), breed is supposed to look like, and feel like. It's called the Standard of Perfection. Published every 5 years, this book is quite amazing. Each breed that is recognized by the ARBA has a certain standard about what it is supposed to look like. Every breeder is trying to attain that "look" in their rabbits.
There are many other reasons why people breed rabbits. Probably the most common is for meat. However, Holland Lops are not a meat breed and shouldn't be raised specifically for that purpose.
Another reason why someone might breed is to produce pets. However, this is most often the worst way to breed. When you breed just two random rabbits together, maybe of different sizes and breeds, you have no idea what the rabbit is going to look like, how big it is going to be, what the characteristics of it are. The world just doesn't need more pet rabbits produced.
Breeding for show and to produce rabbits that explain the Standard is the best way to breed.
If you are like me, you are breeding to better the breed in general, and to also produce healthy, quality stock that can be shown and be competitive on the show tables. Showing rabbits is fun!