Modeling > Edit >

The generic edit tool

Edit (equivalent to right-click (menu) > "Edit" )

The generic erase tool

Delete

Selection in the model

Clear Selection
Restore Selection

Load Selection ()
Save Selection ( )
Edit Selection ( )

Advanced Selection ... (also see the Dictionary )
Advanced Selection Run ...

Search and change options

Edit > Search > ( )
Edit > Edit Piecemarks >
Edit > Change Options >