You will see this pink button 'Add elements' in a section.
You can add different elements by clicking on the pink button:
Or by clicking on "Elements" on the left side of your screen.
The elements will appear on the left in the website builder:
You can drop and drag the elements wherever you want in the section.
You will see blue lines on the page where you can add elements. It is also possible to move an element within the same section or to another section on the same page.
You can add multiple elements in 1 section, for example a banner containing a button that goes to the registration form.
There are 11 types of elements: