Descriptive geometry for beginners

What is the basic descriptive geometry?
Descriptive geometry uses the image-creating technique of imaginary, parallel projectors emanating from an imaginary object and intersecting an imaginary plane of projection at right angles.
The cumulative points of intersections create the desired image..
What is the introduction of descriptive geometry?
Descriptive geometry is a branch of mathematics used to transform three-dimensional objects into two-dimensional representations that can then be presented on paper, computer screens, or some similar medium..

Descriptive geometry deals with physical space, the kind that you have been used since birth. Things you see around you and even things that you cannot see

Descriptive Geometry/Introduction

Uniqueness is best described with two non-parallel lines, say a and b, one of which contains a point, say C; and a family of parallel lines. ...
Between-ness means that distances stay the same throughout projections. ...

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Descriptive geometry for beginners

What is the basic descriptive geometry?

What is the introduction of descriptive geometry?