The correct answer is C. a parameter.
A parameter is a variable that is passed into a function or procedure. The value of the parameter is used by the function or procedure to perform its task.
An address is a location in memory where a value is stored.
A constraint is a condition that must be met in order for a program to run correctly.
A value is a number, string, or object that is stored in memory.
In the question, each memory location listed in the parameterList in the procedure header is referred to as a parameter. This is because the parameter is a variable that is passed into the procedure. The value of the parameter is used by the procedure to perform its task.