Afunction operates on this, which may consist of a constant, a cell reference, or another function.

Argument

Explanation: In accordance with the function, argument is the variable that is independent in nature having some data , function,code,constant etc. Arity of function is defined as the function that defines the number of argument the function can contain.

Argument  also helps in the customization of the program in the computer system and is known as parameter. In any particular function, the argument acts as the input for that function.

i believe the answer is spam

answer; a coupon clipped from a newpaper,.discounts;