What does unity scripting api do? what we use unity scripting api for? how to learn to use unity scripting api? and why i need to create my own classes too? when use classes in api, what should i type? how do i find which classes i want to use, or maybe HOW TO KNOW when need to create my own class? How to use a classes? how to create a class? how class connect to class? WHERE TO SEE unity api class file created, like file i write my own class?
public class ArenaVortex : Trigger
public class Car : Monobehavior
what do you know and understand about Trigger ? what do you know and understand about Monobehavior? why have to put 2 or 3 class on 1 line? what does it mean?