O'Reilly NOOK Manual page 120

To read the note, tap it. If you then want to edit it, tap Edit. You go back to the
note-writing screen.
Want to do more with the note, such as changing its color? There's a simple way
to do it. Tap the highlighted text (not the note icon), and a screen appears with
these options:
• View Note. Does the same thing as tapping the note icon—you read the
note.
• Edit Note. Takes you to the now-familiar note-editing screen.
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