I see how this works now.
How does the User know where the focus of the keyboard input will be directed without tabbing around and discovering where the focus is?
I must grab the mouse and click into the body area of the notes for this to work. Otherwise it moves the cursor from note to note. Or it moves cursor from beginning of line to end of line in the case of the the first line in the title. Ah, I see a third touch of the tab key and then the cmd-arrow keys will move the scroller of the body.
OK got it.