Automatic represents an option or other value that is to be chosen automatically by a built-in function.
BoxFrame is an option for FrameBox objects that specifies whether to draw a frame around the contents of the box.
BoxMargins is an option for AdjustmentBox objects that specifies the margins to leave around the contents of the box.
ButtonData is an option for the low-level function ButtonBox that specifies the second argument to give to the ButtonFunction for the button when the button is active and is ...
ButtonMinHeight is an option for the low-level function ButtonBox that specifies the minimum total height in units of font size that should be allowed for the button.
CallPacket[integer, list] is a MathLink packet encapsulating a request to invoke the external function numbered integer with the arguments contained in list.
Catch
(Built-in Mathematica Symbol) Catch[expr] returns the argument of the first Throw generated in the evaluation of expr. Catch[expr, form] returns value from the first Throw[value, tag] for which form ...
CellGroupingRules is an option for cells that specifies the rules used for grouping a cell.
CellLabelPositioning is an option for cells that specifies where the label for a cell is positioned.
ColorSelectorSettings -> {opt -> val} is a global option that specifies settings for the Color dialog box.