"NudgeDown" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point down.

"NudgeLeft" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point to the left.

"NudgeRight" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point right.

"NudgeUp" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point up.

"OpenCloseGroup" is a front end token that opens selected groups if they are closed or closes selected groups if they are open.

"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.

"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.