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This terminology is generally sourced from Appendix A of 'Datums and Map Projections' (Iliffe & Lott 2008) based off the ISO 19111 terms.
|Coordinate||A sequence of n numbers designating the position of a point in n-dimensional space|
|Coordinate conversion||Change of coordinates from one CRS to another in which the two CRSs are based on the same datum|
|Coordinate operation||Change of coordinates with a 1-to-1 relationship, from one CRS to another. Comprised of coordinate conversion and coordinate transformation processes|
|Coordinate reference system (CRS)||A coordinate system that through a datum, has defined position, scale and orientation with respect to an object (usually the Earth)|
|Coordinate system||Set of rules defining how coordinates are assigned to points|
|Coordinate transformation||Change of coordinates from one CRS to another, where the CRSs datums differ|
|Datum||Defines the position of the origin, the scale and the orientation of the axis of a coordinate system with respect to an object|