Method overloading is where you have multiple methods with the same name but they accept different parameters. For instance: myMethod(int i) [ //method body here ] myMethod(string s) [ //method body here ] Then the method that will be used will be determined at run time based on the type of data you send it (the one with the matching parameters/arguments). Method overriding is when you have a method that is predefined from a class definition, then when you create an object instance you override, or redefine the method body for that particular instance. You could think of it as a manual override, like when a group of machines are pre-programmed to operate a certain way, but you can override one to do what you want, which would probably be something similar to what is was originally programmed to do.