Branch processing menu - open a subset processing menu with operations on the currently selected branch (same as Process branch> on the contents menu available with a right-click)
Contents align - open a second Contents window and align both windows for convenient drag-and-drop operations
Find string (Ctrl+F) - search for a string in the currently selected branch
View (Shift+Enter) - display the currently selected element in the element window (needed only if Synchronize is off)
Collapse branch (Ctrl+Alt+Enter) - collapse the parent of the currently selected element (to easily fold the whole knowledge tree displayed in the Contents window)
Select current - select the element that is currently displayed in the element window (needed only if Synchronize is off)
Save - save knowledge tree nodes to a text file (optionally, the entire tree can be expanded and branch statistics can be included as well)
Info - display node statistics of the currently selected element
Hook - make the currently selected node the hook of the currently selected concept group. This way all elements added with Add new (Alt+A), available at the bottom of the element window, will be children of the selected node