It is one's view, beliefs, and explanations for, about, or of:
How life works
The world re: friendliness, working, etc.
People: good/bad, appreciative, etc.
Oneself: good/bad, appreciative, one's value/worth
What one's purpose is
The meaning of life
What is valuable, one's values
What is meaningful
Therefore, if one was to write it out:
One would use the above as a format and write on each subject, organizing the materials with this (or a similar outline).
Using the above format would be the simple format that you could write on until finished. Then you would best consider doing the detailed format which looks like this: