"Superscript" is a front end token that creates a SuperscriptBox and fills the base with a selection.
FastStochastic
SlowStochastic
Evaluate in Subsession evaluates selected cells in a kernel dialog.
File Path opens a dialog to select and paste the full pathname of a file into the text at the insertion point.
FreeCDF (.cdf) creates a new Computable Document Format (CDF) file.
New opens a dialog for generating a table or matrix.
Open/Close Group toggles a cell group between open and closed. Closing a group collapses all cells in the group so that only the head cell is visible.
Save As saves the current notebook in a file with a new name.
CallPacket[integer, list] is a MathLink packet encapsulating a request to invoke the external function numbered integer with the arguments contained in list.