"Fraction" is a front end token that creates a FractionBox and fills the numerator with a selection.
"GraphicsOriginalSize" is a front end token that restores selected graphics to the default size.
Import
(Mathematica Front End Token) "Import" is a front end token that opens the Insert File dialog.
"ImportPictures" is a front end token that opens the Insert Picture dialog.
"InsertObject" is a front end token that opens the Insert Object dialog.
"ModifyEvaluatorNames" is a front end token that opens the Kernel Configuration Options dialog box.
"NudgeDown" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point down.
"NudgeRight" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point right.
NudgeUp
(Mathematica Front End Token) "NudgeUp" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point up.
Open
(Mathematica Front End Token) "Open" is a front end token that opens a dialog to select and open an existing file.