The explanation is that the domestic cat uses two vocabularies at once.

And the friend's cat uses the litter box exclusively now.

The cat was obviously using every weapon at her disposal and he didn't have to tell me.

He wondered if the people who had put together the phone book would be pleased that a cat was using their map.

Always cover a sandpit or the local cats will use it as a toilet.

A cat uses its whiskers to determine if a space is too small to squeeze through.

A cat uses its whiskers to judge whether a space is big enough to fit through.

Our old cat used to like to sit on my lap while I read in the evenings.

Our cat uses a litter box to do its business when it is inside at night.

Many early boxes did not have a warning system, and would activate while the cat was using their box.