FrontEndToken["cmd"] is an object which represents a front end command token, typically corresponding to a front end menu item, to be executed by FrontEndExecute. ...

GraphHighlight is an option to Graph and related objects that specifies graph elements to highlight.

Missing[] represents data that is missing.Missing["reason"] specifies a reason for the data being missing.Missing["reason", expr] associates the expression expr with the ...

NextPrime[n] gives the next prime above n.NextPrime[n, k] gives the k\[Null]^th prime above n.

NotebookRead[notebook] gives the expression corresponding to the current selection in the specified notebook object.

NumberFormat is an option for NumberForm and related functions that specifies how the mantissa, base, and exponent should be assembled into a final print form.

ReferenceLineStyle is an option for QuantilePlot and similar functions that specifies the style used for the reference line.

RevolutionAxis is an option for RevolutionPlot3D which specifies the revolution axis around which the curve should be rotated.

Spacer[w] displays as a spacer w printer's points wide.Spacer[{w, h}] displays as a spacer w points wide and a total of h points high.Spacer[{w, h, dh}] makes the spacer ...

SpanFromBoth is a symbol that can appear at a particular position in a Grid or related construct to indicate that the corresponding position is occupied by a spanning element ...