The document provides an introduction to key concepts in project management including defining projects, project management, and how they differ from programs and portfolios. It outlines the project management life cycle and processes. Projects are unique temporary endeavors with defined start and end dates, objectives and constraints. Project management involves coordinating resources and activities to deliver project requirements on time and to budget. Programs manage groups of related projects, while portfolios prioritize all organizational projects and programs based on strategic objectives and resource allocation.