map

Graphic representation, drawn to scale and usually on a flat surface, of features—usually geographic, geologic, or geopolitical—of an area of the Earth or of any celestial body. Globes are maps represented on the surface of a sphere. Cartography is the art and science of making maps and charts. Major types of maps include topographic maps, showing features of the Earth's land surface; nautical charts, representing coastal and marine areas; hydrographic charts, which detail ocean depths and currents; and aeronautical charts, which detail surface features and air routes.