A locus of points is the set of all points satisfying a specified geometric condition. For example, the locus of points in a plane at a fixed distance from a given point is a circle.
Locus of Points
See also
Circle, LocusExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Locus of Points." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/LocusofPoints.html