Answer: point X
Step-by-step explanation:
When an plane and a line intersects then their intersection is a point.
The point of intersection of a line and a plane is called the foot of the line.
In the given picture , the plane A and line m is intersecting at point X.
i.e. the intersection of plane A and line m is point X.
Hence, point X describes the intersection of plane A and line m.
