It is the support offered in the content of each chapter in order to resolve any doubts.
You have to do it in the right section.
The main objective of the new content structure is designed so that all technical information relating to a specific content is centralized and organized for easy location and reading by the user in the right section.
For the same reason we thank refrain from jokes or treated outside the comments contained in each chapter. User who read it later probably will not be interested on that jokes