Dog shows were developed for people to highlight breeding stock and show off what they produce. Each breed has a Standard of Perfection and within that Standard, is what the ideal specimen of the breed should look like. The standard covers everything from size, coat, color, ears, eyes, and markings to temperament. Though many dogs may loosely fall within the standard, they may not cut it in the show ring. A trained eye can tell the difference between a dog that has it and one that does not.
Dog shows work like a pyramid.
These classes are divided by gender so all males will compete then all the females. None of the class dogs will be a champion. It is by beating the winning dogs from each class that points are earned towards that Champion title. The winner from each class will go back in the ring and the Best of Winners will be decided. Class judging is done dog against dog and dog against the Standard.