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.
elevation (l-vshn). The vertical distance between a standard reference point, such as sea level, and the top of an object or point on the Earth, such as a mountain. At 8,850 m (29,028 ft), the summit of Mount Everest is the highest elevation on Earth. Elevation Any face of a building or side of a room.In a drawing, the same or any part of it, represented in two dimensions.ElidedUsed to de scribe a compound feature, e.g. an entablature, with some elements omitted or combined. Elevation-A scale drawing of the upright parts of a structure.levation (l-vshn). The vertical distance between a standard reference point, such as sea level, and the top of an object or point on the Earth, such as a mountain. At 8,850 m (29,028 ft), the summit of Mount Everest is the highest elevation on Earth. Elevation Any face of a building or side of a room.