정의 1. 점은 위치를 갖지만 차원은 없다. 즉 쪼갤수 없는 것이다.
A point is that which has no part.

공리 1. 어떤점에서 어떤 또다른 점으로 직선을 그릴수있다. 따라서, 유한한 직선의 양끝은 점이다.
The ends of a line are points.

Definition 4.
A straight line is a line which lies evenly with the points on itself.

Definition 15.
A circle is a plane figure contained by one line such that all the straight lines falling upon it from one point among those lying within the figure equal one another.

Definition 16.
And the point is called the center of the circle.