The value of an index
A useful index follows the words a reader already knows. Keep titles concrete and let related entries point to one another.
Leaving a good explanation
Describe the starting point, the reason for a decision, and the result. A few precise sentences can preserve more context than a long list of steps.
A November reading list
Return to a familiar reference, add one new idea, and leave space to test it. Keep the notes that still help a week later.