VariableName -- symbol used to define the variable name in many routines

Functions with optional argument named VariableName :

carpet(...,VariableName=>...) -- see carpet -- ideal of a K3 carpet
correspondencePolynomial(...,VariableName=>...) -- see correspondencePolynomial -- computes the Hilbert polynomial of a correspondence scroll
correspondenceScroll(...,VariableName=>...) -- see correspondenceScroll -- Union of planes joining points of rational normal curves according to a given correspondence
multiHilbertPolynomial(...,VariableName=>...) -- see multiHilbertPolynomial -- Multi-graded Hilbert polynomial for a product of projective spaces
productOfProjectiveSpaces(...,VariableName=>...) -- see productOfProjectiveSpaces -- Constructs the multi-graded ring of a product of copies of P^1 (pp is a synonym)
schemeInProduct(...,VariableName=>...) -- see schemeInProduct -- multi-graded Ideal of the image of a map to a product of projective spaces