But the benefits of objects do not stop there.
Objects also have the special ability to inherit functionality from other objects.
Since it is a cat, we know that it has properties including whiskers, retractable claws and sharp teeth. We also know that it has methods including the fact that it purrs when it is happy, it hunts mice, and it rips up the sofa when it is sharpening its claws. But a cat is more than a cat. It is also a mammal. As a mammal, it inherits certain attributes shared by all mammals.