How to Fillet with an Arc (Not Trim)

It is buried in the line / wall command which must be active first. Select the option from the "Draw" box.

ref: http://revit.blogspot.com/2006/03/how-to-fillet-in-revit.html
http://www.revitcity.com/forums.php?action=viewthread&thread_id=13017

Detail Lines

Detail lines DO NOT show up outside of the crop view.

I just want to show a dash line and note below grade items, How?

Ref: http://www.revitcity.com/forums.php?action=viewthread&thread_id=18983