Select with Ctrl/Cmd/Shift-click or by dragging over empty space. Drag a selected element to move the complete selection. Grouping creates a new sub-CMap around the selection. Double-click a page or sub-CMap to open it; right-click for editing tools.

Ctrl/Cmd/Shift + click

Add to or remove from the selection

Ctrl/Cmd+A

Select all

Ctrl/Cmd+G

Group selection as sub-CMap

Ctrl/Cmd+Shift+G

Detach from sub-CMap

Ctrl/Cmd+Z

Undo

Ctrl/Cmd+Y / Ctrl/Cmd+Shift+Z

Redo

F2

Edit the selected concept

Delete/Backspace

Delete selection

Esc

Clear selection

Ctrl/Cmd+S

Save now