Design
Design is the creation of a plan or convention for the construction of an object, system or measurable human interaction (as in architectural blueprints, engineering drawings, business processes, circuit diagrams, and sewing patterns). Design has different connotations in different fields (see design disciplines below). In some cases, the direct construction of an object (as in pottery, engineering, management, coding, and graphic design) is also considered to use design thinking.
Engineering
Engineering is the creative application of science, mathematical methods, and empirical evidence to the innovation, design, construction, operation and maintenance of structures, machines, materials, devices, systems, processes, and organizations. The discipline of engineering encompasses a broad range of more specialized fields of engineering, each with a more specific emphasis on particular areas of applied mathematics, applied science, and types of application. See glossary of engineering.
Process
A process is a set of activities that interact to achieve a result.
Process Engineering
Process engineering focuses on the design, operation, control, optimization and intensification of chemical, physical, and biological processes. Process engineering encompasses a vast range of industries, such as chemical, petrochemical, agriculture, mineral processing, advanced material, food, pharmaceutical, software development, automotive, and biotechnological industries. The application of systematic computer-based methods to process engineering is "process systems engineering".
Design
As in poetry and music, even the unskilled ear may be offended by a mistake in measure, without discerning the cause, may not also a mistake in the harmony of dimensions unconsciously offend us in design?
Ernest Flagg, Small Houses: Their Economic Design and Construction (1922)
Engineering
Only among those who were engaged in a particular activity did their language remain unchanged; so, for instance, there was one for all the architects, one for all the carriers of stones, one for all the stone-breakers, and so on for all the different operations. As many as were the types of work involved in the enterprise, so many were the languages by which the human race was fragmented; and the more skill required for the type of work, the more rudimentary and barbaric the language they now spoke. But the holy tongue remained to those who had neither joined in the project nor praised it, but instead, thoroughly disdaining it, had made fun of the builders' stupidity.
Dante Alighieri, De vulgari eloquentia, Chapter VII
Design
Design is redesign.
Jan Michl (2002), in "On seeing design as redesign" (Scandinavian Journal of Design History 12, 2002: 7-23.)
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