"InsertObject" is a front end token that opens the Insert Object dialog.

"MakeSelectionNotSpan" is a front end token that makes the selection not span a matrix.

"MakeSelectionSpan" is a front end token that makes the selection span a matrix.

"NewColumn" is a front end token that adds a new column after the insertion point.

"New" is a front end token that creates a new notebook.

"NewPackage" is a front end token that creates a new Mathematica package.

"NewRow" is a front end token that adds a new row after the insertion point.

"NewText" is a front end token that creates a new text document.

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

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