THIS 22.1

Delete...

Delete All	Deletes all current curves. You are prompted for confirmation first!
Curves...	Select groups of curves for deletion
Delete by Model...	Delete curves belonging to a Model
Delete by Group...	Delete curves by Curve Group
All Blanked in active graphs	Delete all the curves that are currently blanked within all currently active graphs
All Blanked in every graph	Delete all the curves that are blanked over every graph, irrespective of active graph status (equivalent to if every graph is active)
All Visible in active graphs	Delete all the curves that are currently unblanked within all currently active graphs
All Visible in every graph	Delete all the curves that are unblanked over every graph, irrespective of active graph status (equivalent to if every graph is active)
All "Null" Curves	Delete any curve which is "NULL"