Angular JS: Understanding $scope and its relation with Controller/View

Covers all of the following: -What is $scope in AngularJS -How is scope related to controller in Angular JS -How does controller (work with or) access scope -How does View/Template access (or evaluate from) scope -Where does scope stand in AngularJS architecture -What is difference between “Controler as“ and $scope -How is scope related to controller and view -How to access scope in browser developer tools -How to modify/test/troubleshoot Angular JS scope using developer tools -How to use methods inside of a Angular JS scope -How to use multiple controllers in Angular JS -How to access “Controller as“ data using scope in developer tools -How to use various syntax (or methodologies) to access $scope