(1) Open the list to which you wish to add a note or edit a note. (Tell me how to open a list.)
(2) Select title(s) by clicking the checkbox before the title name, then choose either Move Selected Titles to... or Copy Selected Titles to ... or Delete Selected Titles from the drop-down menu, then click GO.
(3) If moving or copying a title, you'll arrive at a screen that lets you designate a list to which the selected title(s) will be copied or moved.