What's the difference between an argument and a parameter?

Question

When verbally talking about methods, I\'m never sure whether to use the word argument or parameter or something else. Either way the other people know what

Answer 1

The use of the terms parameters and arguments have been misused somewhat among programmers and even authors. When dealing with methods, the term parameter is used to identify the placeholders in the method signature, whereas the term arguments are the actual values that you pass in to the method.

MCSD Cerfification Toolkit (Exam 70-483) Programming in C#, 1st edition, Wrox, 2013

Real-world case scenario

// Define a method with two parameters
int Sum(int num1, int num2)
{
   return num1 + num2;
}

// Call the method using two arguments
var ret = Sum(2, 3);