Cave art is a form of prehistoric art found in caves and rock shelters. It's one of the earliest forms of human communication and creativity. Some synonyms for cave art include paleolithic art, rock art, parietal art, and prehistoric art. These terms describe the same type of art, but with different nuances. Paleolithic art pertains to the era when the art was created, while rock art denotes the medium. Parietal art is a French term that specifically refers to cave art, and prehistoric art pertains to all art created before the written language was invented. All these terms describe the art's historical and cultural significance.