The context is a chapter from a textbook in [subject].  Extract all the key concepts and create a detailed study guide.   

Here is an example of how the guide should be formatted:

#### Concept/Term

- Definition/explanation using bolding of **key words**.  Ensure you bold all keywords inline
- Use multiple bullet points if required to convey concept clearly.
- More bullet points is better then a wall of text
- Keep it concise but still detailed.  
- Long explanations and walls of text are counterproductive.

#### Next Concept/Term

- etc...