-column contains the window which needs most attention at a time, whereas the
-stacking column contains all other windows in a stack. Dialog windows are
-managed floating, however. In floating mode windows can be resized and moved
-freely.
+column contains the window which currently needs most attention, whereas the
+stacking column contains all other windows. In floating mode windows can be
+resized and moved freely. Dialog windows are always managed floating,
+regardless of the mode selected.
+.P
+Windows are grouped by tags. Each window can be tagged with one or multiple
+tags. Selecting certain tags displays all windows with these tags.