Pictograph: A pictograph is a visual representation of an object, idea, or event through simple drawings or symbols. It is a form of communication that uses easily recognizable images.
Petroglyph: Petroglyphs are carvings or engravings made on rocks using tools. They are similar to pigment on rock but involve removing parts of the rock's surface instead of applying pigments.
Cave Art: Cave art refers to prehistoric artworks found in caves, created using various techniques including pigment on rock. These artworks provide insights into early human culture and beliefs.