The Comments node (

) contains developer comments about the implemented feature or other builder component. When added by default as a subnode to a node that you add in the
Physics Builder, its called Developer Comments. These comments can include known capabilities and limitations, ideas for further development, and implementation detail that can be useful for maintaining and extending the functionality.
In the Text section you add this information. You can use the character formatting tools above and below the text field to format parts of the text. The reference that is included by default,
<ref entity="doc.entity">, is a general reference to the entity that the comment is about.