Items
You have three types of items: Text, Format, Image
With regards to reproduction, an item situated above another one in the list will be placed above.
Click on one of the three buttons 

to add a new element.
Select an item from the list to modify it. The options are available from the selection:
- 
                                                
Rename - 
                                                
Delete - 
                                                
Duplicate - 
                                                
Organise 
On the panel to the right, the options for the selected item appear: Text Options, Format Options or Image options
Background configuration
You have the choice between two types of background for a panel:
- Colour: Click on
to choose a colour from the colour chart - Image: Click on
to open the File Browser and choose a background image (BMP, JPG or PNG)