Simple OOP concept here (final vs. private)?

[extrovertive]

I know a final method (i.e. final public function foo(){}) prevents a child class from overriding that method.

 

But can a private method be override in a child class? If so, what's difference does it make between a protected method? What's the difference between making a method final and a method private? Examples?

[Mchl]

private method can not be called from child classes, final can (as long as it is protected or public)

 

In other words: public, protected, private - tell who can call the method

final - tells that method can not be overriden