Yes, there are many people who believe that cats and dogs can understand and communicate with humans on a basic level. Some evidence for this includes the ability of pets to respond to their names, follow commands, and read human emotions. Additionally, many pet owners claim to have deep connections with their animals and believe they can understand each other's needs and desires. While cats and dogs may not understand human language in the same way that we do, they can pick up on cues and communicate through body language and vocalizations. Ultimately, the level of understanding between humans and animals may vary and is likely influenced by individual personalities and experiences.