n.
Science of the Earth's surface, which describes and analyzes the spatial variations in physical, biological, and human phenomena that occur on the surface of the globe and treats their interrelationships and their significant regional patterns.
Once associated entirely with mapping and the exploration of the Earth, the field today is wide-ranging, and geographers use a variety of methods and techniques drawn from numerous disciplines. Subfields of geography include physical, human, and regional geography, which may range in scale from worldwide to a continent, a country, or a city.