I'm the field 'enduser_help' in the Customer action model

I'm displayed in a Qweb html report

Don't hesitate to customized me with your own words and syntax

You can write any html tag. Here is an image with img tag

I'm the field 'advanced_help' in the customer action also displayed in Qweb report.

I wrote these words to explain the main purpose:

Odoo community companies can insert their documenation here with data in their modules.

Then, any end users can see this documentation in one click.
End users can also display and print documentation about an entire menu.