To insert some ready-made elements in the content of your creation. This function includes a "standard form", a "send to friend link" and two different "send to friend forms".
To insert an element into your creation:
Place your cursor where you want the form to appear.
Click the icon.
Make sure the check box "Replace actual content" is not checked (unless you want to replace all the content of this area).
Click the element you want to insert.