You can either drag and drop notes using mouse in a tree, or use note menu:
note-menu-copy.png
note-menu-move.png
 
You can also select multiple notes at once and copy/move/delete them. To enable checkboxes you can click on the checkbox sign left to the "Add" button:
check-notes-button.png
 
The tree of notes will be converted to a list with checkboxes:
check-notes-list.png