Project Management/Portfolios/Programs
Not always a project will run alone.
Project Portfolio Management (PPM)
editA portfolio is composed of programs or projects without dependency between them. It aims strategic business objectives. Portfolio management is responsible for prioritization of program/projects and one of its goals is to have a better resource usage among them. A portfolio manager is responsible to manage several portfolios.
One example or portfolio would be to improve facility services. It would be composed of a program to improve water, other to improve electricity, other to improve gas.
Program Management
editA program is a collection of related projects, all of them with similar goals. If projects have similar goals they would have a better performance through a centralized management. They will have also an improved resource utilization in those cases.
Project Management
editA project management is application of tools an techniques to achieve a specific goal, reaching committed deadline and budget.