A Dialog is open with all properties of the element.
The nearest element is highlighted.
The properies dialog of the highlighted element is opened.
A dialog with near by elements is opened. The element for the porperties dialog can be selected from a list.
It is switched to an element with the identical location.
Basic editing: Polygon and path elements can be edited as row data only.
You get a different dialog for different types of elements. Even for same type of element you may get a different dialog, depending on the shape. A polygon with a circular shape will result in a other dialog than a non circular polygon. The field "datatype" and other advanced setting will only appear if used in the design or after pressing the little + in the lower left corner of the design.