Definitions for "Control points"
Natural, recognizable features on the site or a series of survey stakes used to establish distances and elevations during trail construction.
a system of points with established positions or elevations, or both, which are used as fixed references in positioning map features.
Points in the three dimensional space, where Spline curves travel through. The 3D positions of the control points of a spline together with the bias values of each point completely define the way of the spline.
Strategic locations (or resources) in the production process acting as pseudo constraints where the exploitation and subordination strategies are employed.