This document discusses project, program, and portfolio management. It defines them as: projects are individual initiatives; programs are collections of related projects managed together; and portfolios are collections of strategically linked projects, programs and other work that aim for a strategic goal. The document also discusses project organization structures, including projectized, functional, matrix, and hybrid models. Finally, it defines stakeholders as any individuals or groups affected by or able to influence a project, and notes the importance of managing stakeholders' needs and requirements.