"Open" is a front end token that opens a dialog to select and open an existing file.

"OptionsDialog" is a front end token that opens the Option Inspector.

"Otherscript" is a front end token that moves the selection to the "other" script position.

"Paste" is a front end token that pastes the current contents of the clipboard at the insertion point.

"PasteSpecial" is a front end token that pastes the clipboard contents in plain text format at the insertion point.

"PlainFont" is a front end token that removes any FontWeight, FontSlant, FontTracking, or FontVariations option settings from a selection.

"PreferencesDialog" is a front end token that opens the Preferences dialog to view and edit preferences, options, and system settings.

"PrintDialog" is a front end token that opens the Print dialog to print the input notebook.

"PrintOptionsDialog" is a front end token that opens the Printing Options dialog.

"PrintSelectionDialog" is a front end token that opens the Print dialog to print the selection.