Yes.
A line is made up of an infinite number of points.
A line can be considered as a locus of points. However, it is not "made up" of points in the way that a physical object is made up of molecules, or atoms, or sub-atomic particles.
They are what the line is made up of.
a line or line-segment
2 or more points
a line
It is a Line Segment.
segment
A line is made up of many points.
Collinear Points.
A line is made up of a large (infinite) number of points. When we say a point is on a line, we mean that it is one of the pints that form the line.
The Prime Meridian is the imaginary line made up of all points on Earth with zero longitude.