Normal plane (geometry)

In geometry, a normal plane is a concept related to the orientation of a surface or a curve in three-dimensional space. Specifically, it can refer to a plane that is perpendicular (normal) to a given line or surface at a specific point. 1. **Normal Plane to a Curve**: If we have a curve in three-dimensional space, the normal plane at a particular point on the curve is the plane that contains the normal vector at that point.