* If you mean a group of kittens born at the same time: Yes, cats have litters. Female cats, called queens, give birth to multiple kittens at once.
* If you mean a designated area for urination and defecation: Yes, cats need a litter box. They are naturally clean animals and prefer to relieve themselves in a specific area.
So, cats definitely have litters of kittens, and they also need a litter box for their waste.