Format > Cell Dingbat (Mathematica Menu Item)

Cell Dingbat attaches the specified character as a left-hanging dingbat on the selected cells.

Evaluation > Debugger Controls (Mathematica Menu Item)

Debugger Controls opens a submenu of debugger controls.

Cell > Divide Cell (Mathematica Menu Item)

Divide Cell splits a cell at the insertion point.

Evaluation > Evaluate in Place (Mathematica Menu Item)

Evaluate in Place evaluates a selection in place.

File > New > FreeCDF (.cdf) (Mathematica Menu Item)

FreeCDF (.cdf) creates a new Computable Document Format (CDF) file.

Insert > Table/Matrix > New... (Mathematica Menu Item)

New opens a dialog for generating a table or matrix.

Evaluation > Notebook's Default Context (Mathematica Menu Item)

Notebook's Default Context specifies the default context for the current notebook's kernel.

Cell > Notebook History... (Mathematica Menu Item)

Notebook History displays a time record of changes made in the input notebook.

Evaluation > Notebook's Kernel (Mathematica Menu Item)

Notebook's Kernel specifies the kernel for a notebook.

Cell > Grouping > Open/Close Group (Mathematica Menu Item)

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.