A note belongs to a Story, and is only visible in the Story-Task-view
Editors and Admins for an area have all permissions, that is, create/delete
To create a note for any story (in any area) the used needs to be logged in. A logged in user must be Editor/Admin for the area where to which the story belongs in order to be able to remove notes for that story
Anyone can read notes
Notes can be generated by the system, e.g. when a story is archived
Implemented support for Notes;