1.1. Overview and Purpose of this Guide1.1.1. The Standard for Project Management1.1.2. Common Vocabulary1.1.3. Code of Ethics and Professional Conduct1.2. Foundational Elements1.2.1. Projects1.2.2. The Importance of Project Management1.2.3. Relationship of Project, Program, Portfolio, and Operations Management1.2.4. Components of the Guide1.2.5. Tailoring1.2.6. Project Management Business Documents