A line and a point can be collinear
point -It marks a location and is named by a capital letter; it has no thickness and 0 dimension.
line -An infinite set of points that goes on forever; it has no thickness and it is one dimensional.
plane -A flat surface that goes on forever in two directions; an infinite set of points; it has no thickness and is two dimensional.
space -The set of all points. It is three dimensional.
collinear Points that lie on the same line.
noncollinear Points that do not lie on the same line.
