There are five Process Groups.
A Process Group is a set of procedures or activities that together helps to accomplish certain project-related objectives (such as starting the project, or monitoring the progress of the project).
The five Process Groups are:
4. Monitoring and Controlling, and
You can remember the names of the five Process Groups using the acronym I-P-E-C-C.
Most of the outputs of a Process Group feed into the following Process Group, except for Monitoring and Controlling which occurs throughout the project life. Distinguish between a phase and a Process Group.
A phase is like a project and includes processes from all the five Process Groups.
The figure below shows the boundaries within a project or phase.