Engineering
Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, systems and processes for the benefit of humankind. Wikipedia
Engineering Design is a communication tool. It is a message that indicates information for drawing, for structure, for operation, for the maintenance and the remedy of a construction machine.
It also informs about the size of the study, the detail that is considered and the experience of the engineer. It is also a base for further inovation and improvements, but also an archival material that points the continuity of a company.