"Fraction" is a front end token that creates a FractionBox and fills the numerator with a selection.

"InsertMatchingBraces" is a front end token that inserts a pair of matched braces at the insertion point.

"InsertMatchingBrackets" is a front end token that inserts a pair of matched brackets at the insertion point.

"InsertMatchingParentheses" is a front end token that inserts a pair of matched parentheses at the insertion point.

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

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

"NudgeDown" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point down.

"NudgeLeft" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point to the left.

"NudgeRight" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point right.

"NudgeUp" is a front end token that adds or modifies an AdjustmentBox to shift an expression one point up.