1. Process groups
Initiating, Planning, Executing, Monitoring&Controlling, Closing
2. The relationships between phases
Sequential relationship means when your project has phases that happen one after another and don't overlap.
Overlaping relationship means you need teams to work on different parts of the project, so while one team delivers their result while another team is still working.
Iteration means executing one phase while planning the next.
3. Some important processes:
Initiating: Develop project charter, Identify Stakeholders
Planning: Develop project management plan, Identify Risks, Plan Quality, Estimate Activity Durations
Executing: Direct and manage Project executing, Distribute Information
Monitoring&Controlling: Control Scope, Monitor and Control Project Work, Control Schedule
Closing: Close project
4. Knowledge Areas
Integration
Scope
Risk
Time
Cost
Human Resources
Quality
Procument
Communication
5.