Incident rays parallel to the principle axis of a concave mirror will reflect parallel to the principle axis through the focal point the same direction as the incident ray through the center of curvature

I’m not sure if its correct but I think it’s focal Ray point

For concave mirrors, some generalizations can be made to simplify ray construction. They are: An incident ray traveling parallel to the principal axis will reflect and pass through the focal point. An incident ray traveling through the focal point will reflect and travel parallel to the principal axis.

The answer to your is is c motion and shape