To connect elements with each other there are several possibilities:
Right-click on an element and select "Add relationship". Then select other element. (Starting point to end point) Create node with right click
Hold down "Alt" and select element 1, then click on the second element. Datei:Create node alt.gifCreate node with "Alt"-pressed
For data, processes, and organizational units, if you double-click the item, you can select a parent item in the mask or unlink it from the parent item. Create data-category node via mask
For resources, if you double-click on the element, you can create new connections or edit existing ones via the "Relationships" tab in the mask. Datei:Create Node Resource.gifCreate Node of a Resource