Each of the categories will be rated using the following scale. This is a determination based not only on quantity but also quality. The ratings, therefore, are somewhat subjective by nature, and should be used as a general guide. Please refer to the content review of a book to see specific examples of potentially objectionable material.
None - No examples found in the book.
Mild - Very few occurrences.
Moderate - More than just the occasional incidence.
Heavy - Many occurrences.
Extreme - Book is full of the content in question.