|No||Title Sort descending||Definition|
|1||Base Maps, Data, or Layers||
Spatial data sets that provide the background upon which more specific thematic data is overlaid and analyzed. As inputs into a GIS, the term base map is usually applied to those sources of information about relatively permanent features including topography, soil data, geology, cadastral divisions, and political divisions. Within a GIS database, such information may become part of a land base to which other information is indexed and referenced.
Bathymetry is the study of underwater depth of the third dimension of lake or ocean floors. In other words, bathymetry is the underwater equivalent to hypsometry.
horizontal angle at a point relative to a specified direction
[ESRI software] A shortcut that saves the current map view, including extents, active layers, and styles for future use.
set that represents the limit of an entity
geometric object that contains all direct positions whose distance from a specified geometric object is less than or equal to a given distance