"FontSizeDialog" is a front end token that opens the Font Size dialog.
Undo
(Mathematica Front End Token) "Undo" is a front end token that undoes the most recent action.
File Path opens a dialog to select and paste the full pathname of a file into the text at the insertion point.
Find Next searches forward for the next occurrence of the text string entered in the Find dialog box.
Find Previous searches backward for the next occurrence of the text string entered in the Find dialog box.
Show Ruler toggles ruler display along the top of a notebook.
TraditionalForm converts the selection to Mathematica TraditionalForm.
CDFInformation[expr] gives a list of properties relevant to a CDF deployed with the content expr.CDFInformation[notebook] gives usage properties for a CDF to be deployed from ...
DialogNotebook[{cell_1, cell_2, ...}] represents a dialog notebook that can be manipulated by the Mathematica front end.
InputPacket[] is a MathLink packet that indicates a prompt for input as generated by Input.