The 9 knowledge areas are as follows 

1) Integration Management : 

This is about keeping everybody working towards the same goal and dealing with changes. This area teaches about following processes

1. Develop Project Charter.
2. Develop Project Management Plan.
3. Direct and Manage Project Execution.
4. Monitor and Control Project Work.
5. Perform Integrated Change Control.
6. Closing a Project or Phase.

2) Scope Management : 

This is about defining the work, that will and that won't be done on the project. In other words, tells about processes required to ensure that project includes all the work required, and only the work required, to complete a project successfully. This area teaches me about following processes

1. Collect Requirements.
2. Define Scope.
3. Creat WBS.
4. Verify Scope.
5. Control Scope.

3) Time Management : 

This is about estimating how much time is needed to do the project and making sure that it gets done by the deadline. This area teaches about the following processes

1. Define Activities.
2. Sequence Activities.
3. Estimate Activity Resources.
4. Estimate Activity Durations.
5. Develop Schedule.
6. Control Schedule.

4) Cost Management : 

This is about Budgeting the project and tracking all of the money that is spent on a Project and ensuring that the project is completed successfully, within the approved budget. This area teaches about following processes

1. Estimate Costs.
2. Determin Budget.
3. Control Costs.

5) Quality Management : 

This is about making sure that the right project is built that satisfies the needs for which it was undertaken, and does it as efficiently as possible. This area teaches about following processes

1. Plan Quality.
2. Perform Quality Assurance.
3. Perform Quality Control.

6) Human Resource Management : 

This is about getting the people who will do the work, and make the most effective use of the people involved in the project, and keeping them motivated. This area teaches  about following processes

1. Develop Human Resource Plan.
2. Acquire Project Team.
3. Develop Project Team.
4. Manage Project Team.

7) Communications Management : 

This is about who should talk to who to keep everyone in the loop on the project and ensuring timely and appropriate generation, collection, dissemination storage & ultimate disposition of project information. This area teaches me about following processes

1. Identify Stakeholders.
2. Plan Communications.
3. Distribute Information.
4. Manage Stakeholder's Expectations.
5. Report Performance.

8) Risk Management : 

This is about planning for things that could happen (both positive & negative) and how to identify, analyze and respond to risks. This area teaches about following processes

1. Plan Risk Management.
2. Identify Risks.
3. Perform Qualitative Risk Analysis.
4. Perform Quantitative Risk Analysis.
5. Plan Risk Response.
6. Monitor and Control Risks.

9) Procurement Management : 

This is about defining contracts, acquiring goods and services from outside the performing organization, like choosing a contractor to do work for the project. This area teaches about following processes

1. Plan Procurements.
2. Conduct Procurements.
3. Administer Procurements.
4. Close Procurements.