SampleRate is an option for sound primitives that specifies the number of samples per second to generate for sounds.
SendMail[rules] sends an email message built up from the elements specified in rules.
SpanLineThickness is an option for selections that specifies the thickness in printer's points of line-spanning characters such as \[Backslash][VerticalLine] and ...
StartOfString represents the start of a string for purposes of matching in StringExpression.
StyleNameDialogSettings -> {opt -> val} is a global option that specifies the cell style displayed in the Custom Style dialog box.
StyleSheetPath is a global option that specifies which directories Mathematica searches to find stylesheets.
UpperTriangularize[m] gives a matrix in which all but the upper triangular elements of m are replaced with zeros. UpperTriangularize[m, k] replaces with zeros only the ...
White
(Built-in Mathematica Symbol) White represents the color white in graphics or style specifications.
XMLObject["type"] represents the head of an XML object in symbolic XML.
$OutputSizeLimit specifies the maximum size in bytes of expressions that will automatically be output in their entirety in a Mathematica notebook.