WHAT DOES BRITISH SILVER CAT MEAN?

I have a person awesome Pedigree BSH kitten. Prepared for his new home. Each his mum and his father are full GCCF registered cat. The father is also a stud GCCF teddy bear rounded facial area boy. Having both equally damp and dWe now have an incredible British shorthair kittens. Blue boy long-hair Dark chocolate/Black tortie Lady long-hair Silver b