TimeZone is an option for DateString, AbsoluteTime, and related functions that specifies the time zone to use for dates and times.
TotalWidth is an option which can be set for output streams to specify the maximum total number of characters of text that should be printed for each output expression. Short ...
VectorColorFunctionScaling is an option for graphics functions which specifies whether arguments supplied to a vector color function should be scaled to lie between 0 and 1.
WindowFrame is a notebook option that specifies the type of frame to draw around the window in which the notebook is displayed on the screen.
$FrontEndSession is a global symbol that represents the current session of the front end from which the kernel is being run.
$Language is a list of strings which give the names of languages to use for messages.
$Messages gives the list of files and pipes to which message output is sent.
$NewSymbol is a global variable which, if set, is applied to the name and context of each new symbol that Mathematica creates.
$NumberMarks gives the default value for the option NumberMarks, which specifies whether ` marks should be included in the input form representations of approximate numbers.
$ScriptCommandLine is a list of strings giving the elements of the command line with which the standalone Mathematica script was invoked.