Whats the difference between a method () and a function ()

Question

I know you call them so that you don't rewrite the same code all the time. but I don't know the difference

Answer 1

A function is outside a class. A method is a function, but inside a class.

Answer 2

How to create a function outside a class?
This is the explanation I thought of:
https://stackoverflow.com/questions/155609/difference-between-a-method-and-a-function

Answer 3

both are same

Answer 4

methods are fuctions that runs on objects