Here's what the character prefixes mean in
indicates a currently open object.
* indicates an object
Notice by the user,
as of persistent interest. (Forget will undo this.)? indicates an object name that no longer names any object.
indicates a recently opened object.
They are tracked for a bit after closing.
You can change how many count as recent.
Number of recently opened obs to show: 3 Action: Increase, Decrease Other objects will also be tracked for a bit after closing.
Number of recently closed obs to show: 6 Action: Increase, Decrease
The PRIORITY group lists all the
More recently
Twice as many recently opened objects are listed in this group as are
labelled .
Utility buttons.
Recent opens a listing of recently opened objects, more than are normally shown in the PRIORITY group.
  Viewer raises the object that is considered to have opened the current object.   Notice marks an object as being of persistent interest to the tracker. Forget unmarks the Notice mark.  Cycle-Q cycles through open objects attempting safe quits. doc for how to quit objects   ClearHistory Cuts down history of viewed objects to those that are currently open.   LibSearch raises a worksheet for searching the library. Some ML editing is required. doc for ML editing
The utility buttons in the