On the Dimensions Tab, you must define all dimensions of the data cube. On the left-side of the tab, all dimensions and their dimension levels are presented in a tree structure. You can add a dimension by clicking
in the toolbar above the tree view. The most coarse-grained dimension level (ALL) -- which comprises all values of the dimension -- is automatically added to each dimension and cannot be edited. To add a dimension level, you must select its designated parent level and right-click on it. Then select Add Dimension Level from the context menu. The properties of the selected dimension or dimension level are displayed on the right-side of the tab where you can edit them. For a dimension, you can edit the following properties: