Using the term method instead of function
You are constantly going to see the words function and method used everywhere as you learn Unity.
Note
The words function and method truly mean the same thing in Unity. They do the same thing.
Since you are studying C#, and C# is an Object-Oriented Programming (OOP) language, I will use the word "method" throughout this book, just to be consistent with C# guidelines. It makes sense to learn the correct terminology for C#. Also, UnityScript and Boo are OOP languages. The authors of the Scripting Reference probably should have used the word method instead of function in all documentation.
Note
From now on I'm going to use the words method or methods in this book. When I refer to the functions shown in the Scripting Reference, I'm going to use the word method instead, just to be consistent throughout this book.