Question

what do you mean by origin or the reference point​

Answer 1

Explanation:

In three dimensional coordinate system, the point of intersection of three axes(x, y and z axis) i.e Origin is considered as the reference point. The position of an object is taken as the distance of the object from the origin. In 3-d space, the origin act as the reference point

Answer 2

Hello,

In Physics, Reference Point means that a point from where a person judges that a body is in motion/rest.

Hope this helps you....