WaitNext (Built-in Mathematica Symbol)

WaitNext[{eid_1, eid_2, ...}] waits until the first evaluation represented by any of the eid_i finishes, then returns its result, the corresponding eid_i, and the list of ...

Wedge (Built-in Mathematica Symbol)

Wedge[x, y, ...] displays as x\[Wedge]y\[Wedge]....

While (Built-in Mathematica Symbol)

While[test, body] evaluates test, then body, repetitively, until test first fails to give True.

WordBoundary (Built-in Mathematica Symbol)

WordBoundary represents a boundary between words for purposes of matching in StringExpression.

XMLObject (Built-in Mathematica Symbol)

XMLObject["type"] represents the head of an XML object in symbolic XML.

$CommandLine (Built-in Mathematica Symbol)

$CommandLine is a list of strings giving the elements of the original operating system command line with which Mathematica was invoked.

$CreationDate (Built-in Mathematica Symbol)

$CreationDate gives the date and time at which the particular release of the Mathematica kernel you are running was created.

$HomeDirectory (Built-in Mathematica Symbol)

$HomeDirectory gives your "home" directory.

$ImagingDevices (Built-in Mathematica Symbol)

$ImagingDevices gives a list of available imaging devices.

$InstallationDirectory (Built-in Mathematica Symbol)

$InstallationDirectory gives the top-level directory in which your Mathematica installation resides.