As of version 6.0, ButtonStyle has been superseded by the more general option BaseStyle.
ByteOrdering is an option for BinaryRead, BinaryWrite, and related functions that specifies what ordering of bytes should be assumed for your computer system.
CapForm
(Built-in Mathematica Symbol) CapForm[type] is a graphics primitive that specifies what type of caps should be used at the ends of lines, tubes, and related primitives.
Cashflow[{c_0, c_1, ..., c_n}] represents a series of cash flows occurring at unit time intervals.Cashflow[{c_0, c_1, ..., c_n}, q] represents cash flows occurring at time ...
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 ...
CellDingbat is an option for Cell which specifies what dingbat to use to emphasize a cell.
CharacterEncoding is an option for input and output functions which specifies what raw character encoding should be used.
ChartLabels is an option for charting functions that specifies what labels should be used for chart elements.
ChartLegends is an option for charting functions that specifies what legends should be used for chart elements.
As of Version 6.0, ClipFill has been superseded by the more general option ClippingStyle.