EvaluateInitialization (Mathematica Front End Token)

"EvaluateInitialization" is a front end token that evaluates all the initialization cells in a notebook.

Help > X Environment Information (Mathematica Menu Item)

X Environment Information opens a dialog box that displays the current attributes of the X front end environment (X only).

AnimationRepetitions (Built-in Mathematica Symbol)

AnimationRepetitions is an option to Animate and related functions that specifies how many times the animation they create runs before stopping.

BoxData (Built-in Mathematica Symbol)

BoxData[boxes] is a low-level representation of the contents of a typesetting cell.

CreateIntermediateDirectories (Built-in Mathematica Symbol)

CreateIntermediateDirectories is an option for CreateDirectory and related functions that specifies whether to create intermediate directories in a directory path specified.

MessagePacket (Built-in Mathematica Symbol)

MessagePacket[symbol, string] is a MathLink packet containing a Mathematica message identifier of the form symbol::string.

RawData (Built-in Mathematica Symbol)

RawData[data] is a low-level representation of the contents of a cell in which Show Cell Expression has been toggled.

SyntaxPacket (Built-in Mathematica Symbol)

SyntaxPacket[integer] is a MathLink packet where integer indicates the position at which a syntax error was detected in the input line.

Temporary (Built-in Mathematica Symbol)

Temporary is an attribute assigned to symbols which are created as local variables by Module.

$NewMessage (Built-in Mathematica Symbol)

$NewMessage is a global variable which, if set, is applied to the symbol name and tag of messages that are requested but have not yet been defined.