Yet we have a bunch of general attributes we expect when we say "car". Maybe "she's smart" is rather like "she has a car". You don't know whether it's a Porsche

Yet we have a bunch of general attributes we expect when we say "car". Maybe "she's smart" is rather like "she has a car". You don't know whether it's a Porsche or a Truck, gas or electric, but you'll generally rely on her being able to cover larger distances than on foot, and at higher speeds, while also hauling some reasonable amount of luggage.