coordinate system
Technical term used in mathematics, physics, and engineering to define a reference framework for specifying positions.
The Cartesian coordinate system represents positions using perpendicular axes.
GPS uses a coordinate system based on the Earth.
color coordinate system; colour system
world coordinate system; world coordinates
right-handed coordinate system
left-handed coordinate system
oblique coordinate system
Compound of 座標 (coordinates) + 系 (system). The exact historical derivation is uncertain, but the term is a straightforward modern technical coinage.