AbortProtect[expr] evaluates expr, saving any aborts until the evaluation is complete.

AccountingForm[expr] prints with all numbers in expr given in standard accounting notation. AccountingForm[expr, n] prints with numbers given to n-digit precision.

AutoGeneratedPackage is an option for notebooks that specifies whether a package is automatically created when a notebook that contains initialization cells or groups is ...

Axis is a symbol that represents the axis for purposes of alignment and positioning.

_or Blank[] is a pattern object that can stand for any Mathematica expression. _h or Blank[h] can stand for any expression with head h.

BoxFrame is an option for FrameBox objects that specifies whether to draw a frame around the contents of the box.

ButtonFunction is an option for the low-level function ButtonBox that specifies the function to execute when the button is active and is clicked.

CellLabel is an option for Cell which gives the label to use for a particular cell.

ColorFunctionScaling is an option for graphics functions that specifies whether arguments supplied to a color function should be scaled to lie between 0 and 1.

ColumnLines is an option for the low-level function GridBox which specifies whether lines should be drawn between adjacent columns.