If you wish to add a topic (section) in the classroom you should:
- turn editing on,
- Localize the point on the fly to create a new section (you may create additional sections, at the end or between two sections, in the points marked with discontinuous lines).
- Hover over it: the color of the line will change to green and a button with a “+” will appear,
- Click.

- The subsection will be created automatically.
- You can edit it by following the steps indicated in How to edit the configuration of