A point is by definition one-dimensional. It has no length, height, width, or orientation Or axis. There is no such thing as a three-dimensional point. A line is two-dimensional. It has length and orientation but no height or width..
A body is three dimensional with length, height, and width.
We are using 3 dimmensional object
I though apex might be to big of word for you to understad.
A cone is a three-dimensional geometric shape that tapers smoothly from a flat base (frequently, though not necessarily, circular) to a point called the apex or vertex.
