Dear Miss Granger, I am answering here to your doubts on unicorn Standards. Standards were written in ancient times by magicians that had a deep knowledge of unicorns, and of dragons as well, in working conditions. Unfortunately, nowadays, only a few muggles, have achieved the same degree of knowledge and practical expertise.  The average muggle breeder is aware that the Standard demands a certain physical trait, but he does not really understand what it means. Words do not give him a real image. Furthermore, he does not know the reason that makes some traits so desirable. In ancient times, a muggle was capable of judging a unicorn properly, but  he…