Subscript (Mathematica Front End Token)

"Subscript" is a front end token that creates a SubscriptBox and fills the base with a selection.

SubsessionEvaluateCells (Mathematica Front End Token)

"SubsessionEvaluateCells" is a front end token that evaluates the selected cells in a kernel subsession.

Superscript (Mathematica Front End Token)

"Superscript" is a front end token that creates a SuperscriptBox and fills the base with a selection.

Cell > Grouping > Automatic Grouping (Mathematica Menu Item)

Automatic Grouping automatically creates hierarchical cell groups on the basis of cell style.

Format > Background Color (Mathematica Menu Item)

Background Color assigns a background color to the selected cells or text.

Format > Cell Dingbat (Mathematica Menu Item)

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

Edit > Clear (Mathematica Menu Item)

Clear deletes a selection without pasting it to the clipboard.

Edit > Cut (Mathematica Menu Item)

Cut deletes a selection and pastes it to the clipboard.

Help > Documentation Center (Mathematica Menu Item)

Documentation Center opens the Wolfram Mathematica Documentation Center.

Edit > Find Next (Mathematica Menu Item)

Find Next searches forward for the next occurrence of the text string entered in the Find dialog box.