Panelbar

Expanding a Panelbar 
Just like when collapsing a Panelbar, you can expand it again to enter the information. The lower button is found within the upper one.
A click on it opens the entry.
Collapsing a Panelbar 
In various places (e.g. at the Conclusion of order) you get a Summary displayed with all information. Here you can view the headings in a condensed form and go directly to one of the points. The lower button is found within the upper one.
A click on it closes the entry except for the heading.