PodStates is an option for WolframAlpha that determines information about the states of the pods.
PolynomialQ[expr, var] yields True if expr is a polynomial in var, and yields False otherwise. PolynomialQ[expr, {var_1, ...}] tests whether expr is a polynomial in the var_i.
QuadraticIrrationalQ[x] gives True if x is a quadratic irrational and False otherwise.
ReverseGraph[g] gives the reverse graph of the directed g.
RowSpacings is an option for the low-level function GridBox that specifies the spaces in x heights that should be inserted between successive rows.
ShowShortBoxForm is an option for cells that specifies whether box expressions, which are used to represent two-dimensional forms in a cell, are displayed in a more compact ...
SubMinus[expr] displays as expr_-.
SubPlus
(Built-in Mathematica Symbol) SubPlus[expr] displays as expr_+.
SystemsModelLabels is an option to StateSpaceModel and TransferFunctionModel that specifies labels of the variables.
TextData[exprs] is a low-level representation of the contents of a textual cell.