Writing, developed first by people in Sumer, is considered a hallmark of civilization and appears to accompany the rise of complex administrative bureaucracies or the conquest state. Traders and bureaucrats relied on writing to keep accurate records.
Elevation, or geometric height, is mainly used when referring to points on the Earth 's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit, and depth is used for points below the surface. topographical map is the main type of map used to depict elevation, often through use of contour lines. In a Geographic Information System (GIS), digital elevation models (DEM) are commonly used to represent the surface (topography) of a place, through a raster (grid) dataset of elevations.
An elevation is a rise or the raising of something. Mountains have an elevation based on how high they are and your mood has an elevation as you get happier. Elevation is a noun that tells how high something is raised above a surface or ground line. It's also a term for measuring things like temperatures or degrees. Your body temperature might have an elevation if you have the flu, just as the elevation of a hill increases as it gets steeper.