Behind every product, building, or process are drawings and models created by someone using the techniques and principles taught in drafting courses. If you study drafting, you'll learn the math and drawing techniques you'll need to represent three-dimensional buildings and objects. Your classes will cover such topics as interpreting specifications and estimating materials.
https://bigfuture.collegeboard.org/majors/engineering-technologies-drafting-design-drafting-design-technology
Drafting is a type of graphic communication. Business and industry use drafting to translate ideas and concepts into working plans for something that can be produced or built. Computer drafting and design is one method to produce drawings in traditional design and drafting fields. The availability of computer-aided drafting (CAD) systems has enabled even small drafting firms to utilize computers for drafting and design.http://www.itt-tech.edu/teach/list/ddt.cfm
