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.
Software
Computer software, or simply software, is a part of a computer system that consists of data or computer instructions, in contrast to the physical hardware from which the system is built. In computer science and software engineering, computer software is all information processed by computer systems, programs and data. Computer software includes computer programs, libraries and related non-executable data, such as online documentation or digital media. Computer hardware and software require each other and neither can be realistically used on its own.
Software Engineering
In all engineering disciplines nowadays, software engineering excluded, there exists an established engineering process to develop a system, which is accompanied by a number of suited modeling description techniques. Software engineering, being a rather new field, has not as yet established any clear methodical guidance or a fully standardized modeling notation.
Bernhard Rumpe (2002). "Executable Modeling with UML. A vision or a Nightmare." Issues & Trends of Information Technology Management in Contemporary Associations. p. 697
Software Engineering
Some people have called the book [The Mythical Man-Month, 1975] the "bible of software engineering". I would agree with that in one respect: that is, everybody quotes it, some people read it, and a few people go by it.
Fred Brooks as quoted in Daniel Roth (2005) "Quoted Often, Followed Rarely" on money.cnn.com, December 12, 2005
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