Drafting, well known as technical drawing in many industries such as mechanical engineering, architectural, electrical, interior design etc. Also considered as production drawing.
It's combination of act and discipline of composing plans that visually communicate how something functions or has to be constructed (wikipedia.org: technical drawing).
Bimo Adi Prakoso, founder of Sentra Grafika Kompumedia, is an engineering-animation-broadcast industry professional and workstation evangelist. He's been in the Workstation industry since 1996, the era of SGI.