AutoDelete is an option for boxes that specifies whether a box is automatically deleted when its contents are edited.
AutoItalicWords is an option for Cell that gives a list of words that should automatically be put in italics when they are entered.
Cases
(Built-in Mathematica Symbol) Cases[{e_1, e_2, ...}, pattern] gives a list of the e_i that match the pattern. Cases[{e_1, ...}, pattern -> rhs] gives a list of the values of rhs corresponding to the e_i ...
CellEpilog is an option for Cell which gives an expression to evaluate after each ordinary evaluation of the contents of the cell.
CellLabelPositioning is an option for cells that specifies where the label for a cell is positioned.
CellOpen is an option for Cell that specifies whether the contents of a cell should be explicitly displayed.
CellProlog is an option to Cell that gives an expression to evaluate before each ordinary evaluation of the contents of the cell.
ColorSelectorSettings -> {opt -> val} is a global option that specifies settings for the Color dialog box.
ConfigurationPath is a global option that specifies which directories are searched for systemwide configuration information.
Copyable is an option for Cell that specifies whether a cell can be copied interactively using the front end.