CurryApplied

CurryApplied[f,n] represents an operator form of the function f of n arguments so that CurryApplied[f,n][x1]…[xn] is equivalent to f[x1,…,xn].

CurryApplied[n] represents an operator form of CurryApplied that can be applied to a function to represent an operator form with n arguments.

CurryApplied[f,{i1,…,in}] represents an operator form of the function f of n arguments so that CurryApplied[f,{i1,…,in}][x1]…[xn] is equivalent to f[xi1,…,xin].

CurryApplied[f,k->{i1,…,in}] represents an operator form that takes k arguments.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.