technical drawing

noun2

1. •
   A detailed drawing of an artifact, that is used in architecture or engineering.

   • Technical drawings include engineering drawings, sketches, CAD, and more.
2. •
   The art of producing such drawings.

   • Having studied technical drawing in high school and then gone on to get a degree in engineering and drafting, he knew that he did have experience in a more lucrative field. — 2015