StreamColorFunction is an option for StreamPlot and related functions that specifies a function to apply to determine colors along streamlines.

VectorColorFunction is an option for VectorPlot and related functions which specifies a function to apply to determine colors of field vectors drawn.

ExponentFunction is an option for NumberForm and related functions that determines the exponent to use in printing approximate real numbers.

LayerSizeFunction is an option for TreePlot that gives a function to specify the relative height to allow for each layer.

DistanceFunction is an option for functions such as Nearest that specifies the distance value to assume between any two specified points.

"CopySpecial" is a front end token that converts the selection to a specified format and copies it to the clipboard.

"PasteSpecial" is a front end token that pastes the clipboard contents in plain text format at the insertion point.

TransformationFunction[data] represents a transformation function that applies geometric and other transformations.

MultilineFunction is an option for UnderscriptBox and related box objects that specifies what to do when the contents of a box object are too long to fit on one line.

ZetaZero[k] represents the k\[Null]^th zero of the Riemann zeta function on the critical line.ZetaZero[k, t] represents the k\[Null]^th zero with imaginary part greater than ...