Make sure you click on the above link and at the end of the first paragraph is a document to download and study as a summary of these principles. The most important learning outcome for the PDC is to have a firm grasp on understanding the principles of Permaculture.
2. Each Element and Performs many Functions3
3. Each Function is Supported by many Elements
4. Energy Efficient Planning
2.5 Use of Biological Resources
2.6 Energy Cycling
2.7 Accelerating Succession and Evolution
2.10 Edge Effect