A locus of points called a parabola which is correct option(C)
A locus is defined as the path traced out by a point in a plane or in space, satisfying a certain set of conditions.
A parabola is the set of all points in a plane that are equidistant between a fixed point (focus) and a line (directrix).
Hence, equidistant from a given directrix and focus is parabola.
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