Principle 1: Systems Engineering in application is specific to stakeholder needs, solution space, resulting system solution(s), and context throughout the system life cycle.
Principle 2: Systems Engineering has a holistic system view that includes the system elements and the interactions amongst themselves, the enabling systems, and the system environment
Principle 3: Systems engineering influences and is influenced by internal and external resource, political, economic, social, technological, environmental, and legal factors
Principle 4: Both Policy and Law must be properly understood with respect to enabling and/or constraining system implementation
Principle 5: The real physical system is the only perfect representation of the system