"지상" (Jisang) refers to the ground or surface of the Earth in Korean. It is the area where people live, plants grow, and animals roam. This term is often used in various contexts, including geography, ecology, and everyday life. In a broader sense, "지상" can also relate to concepts like 지구 (Earth) and 자연 (nature). It emphasizes the importance of the terrestrial environment and its role in sustaining life. Understanding "지상" helps us appreciate the natural world and our place within it.