RegionFunction is an option for plotting functions that specifies the region to include in the plot drawn.
RoundingRadius is an option for Rectangle, Framed, and related functions that specifies the radius of the circle to use in rendering rounded corners.
SplineClosed is an option for B-spline functions and graphics primitives that specifies whether spline curves or surfaces should be closed.
SplineWeights is an option for B-spline functions and graphics primitives that specifies weights of control points.
SymmetricMatrixQ[m] tests whether m is a symmetric matrix.
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 ...
AiryAiPrime[z] gives the derivative of the Airy function Ai^\[Prime] (z).
BaseStyle is an option for formatting and related constructs that specifies the base style to use for them.
BezierFunction[{pt_1, pt_2, ...}] represents a Bézier function for a curve defined by the control points pt_i.BezierFunction[array] represents a Bézier function for a surface ...
Exclusions is an option that specifies where to exclude in regions used by functions like Plot, Plot3D, and NIntegrate.