Answer with explanation:
First i will define a point. When you will look in the sky, stars appears as a point in the universe.You can call it starting ..of a ray.
When you are inside a room, an electric bulb appears as a point.
Point is also called a Zero circle, that is circle having radius =0 unit, that is negligible radius.
Physical Characteristics of a point
1. The intersection of two lines is a unique point.
2.When you will look at a point through a Microscope, it appears in the shape of circle having 0 radius.This is called Zero circle.
3.Through a single point, Infinite number of lines passes.
4.When you join two distinct points you get a unique line.