BinaryFormat is an option for OpenRead and related functions that specifies that a stream should be opened in binary format, so that no textual interpretation of newlines or ...
Blue
(Built-in Mathematica Symbol) Blue represents the color blue in graphics or style specifications.
BoxFormFormatTypes is a global option that specifies the list of typeset format types that are currently defined.
Brown
(Built-in Mathematica Symbol) Brown represents the color brown in graphics or style specifications.
CallPacket[integer, list] is a MathLink packet encapsulating a request to invoke the external function numbered integer with the arguments contained in list.
CellFrameLabelMargins is an option for cells that specifies the absolute margins in printer's points between a cell's frame and the labels around the frame.
CellLabelMargins is an option for cells that specifies the absolute margins in printer's points around a cell label.
ChartElements is an option to charting functions such as BarChart that specifies the graphics to use as the basis for bars or other chart elements.
Check
(Built-in Mathematica Symbol) Check[expr, failexpr] evaluates expr, and returns the result, unless messages were generated, in which case it evaluates and returns failexpr. Check[expr, failexpr, ...
Context
(Built-in Mathematica Symbol) Context[] gives the current context. Context[symbol] gives the context in which a symbol appears.