A class of things starting with cat?

A class of things starting with "cat" includes various species and breeds of felines, such as domestic cats, wildcats, and big cats like lions and tigers. Additionally, it encompasses cat-related items like cat toys, cat food, and cat trees. The term can also refer to categories in taxonomy, such as cat breeds or types of cat behaviors. Overall, "cat" signifies a diverse group of living beings and associated products.