Principles for a profession serve as foundational guidelines for strategy, decision making, and problem solving. Professional standards and methodologies are often based on principles. Which of the following IS TRUE about the $12$ Project Management Principles described in The Standard for Project Management?

Select one:

a$.$ The principles of project management are specific models, methods, and artifacts that individuals involved in projects should follow.

b$.$ The principles of project management are directly derived from the PMI Code of Ethics and Professional Conduct.

c$.$ The principles of project management are not prescriptive in nature $-$ they are intended to guide the behavior of people involved in projects.

d$.$ The principles of project management are listed in the order in which PMI would prefer that project managers apply them; in other words, some principles are more important than others.