It is likely that cats are simply responding to the affectionate behavior of their owners and the physical sensations associated with being kissed rather than understanding the concept of a kiss.
Cats may recognize that they are being treated with love and affection when they are being kissed, and they may respond to this attention with purring, rubbing, or licking.
Cats can certainly form strong bonds with their owners and may show signs of affection in response to the care and attention that they receive. It is important to remember that not all cats will show their affection in the same wa