File > Printing Settings > Printing ... (Mathematica Menu Item)

Printing Environment determines which style environment to use for printing.

Graphics > Rendering > Rerender Graphics (Mathematica Menu Item)

Rerender Graphics rerenders the selected graphics.

File > Revert… (Mathematica Menu Item)

Revert restores the current notebook to its last saved version.

Format > Screen Environment (Mathematica Menu Item)

Screen Environment determines which style environment to use for onscreen display.

Insert > Special Character… (Mathematica Menu Item)

Special Character opens the Special Characters palette.

Window > Tile Windows Tall (Mathematica Menu Item)

Tile Windows Tall arranges all windows to fit in the screen one beside the other (Windows and Macintosh only).

Window > Tile Windows Wide (Mathematica Menu Item)

Tile Windows Wide arranges all windows to fit in the screen one above the other (Windows and Macintosh only).

[Right-click] > Un/Comment (Mathematica Menu Item)

Un/Comment comments or uncomments the selected expression.

Wrap at Paper Width wraps lines at the width of the paper currently specified by the print settings.

Format > Word Wrapping >  Wrap at ... (Mathematica Menu Item)

Wrap at Window Width wraps lines at the width of the window containing the text.