9. • AngularJS Data-Binding in Angular apps is the automatic
synchronization of data between the model and view
components.
• AngularJS Directives are extended HTML attributes with the
prefix ng- .
12. The ng-model directive binds the value of HTML controls
(input, select, textarea) to application data.
The ng-app directive initializes an AngularJS application.
18. The ngRoute module helps your application to become a Single Page
Application.
INJECTED
ng-view is the directive that angular uses as a container to switch between views.
NOTE: Your application needs a container to put the content provided by the routing.
21. Services - Angular services are substitutable objects that are wired together using
dependency injection (DI). You can use services to organize and share code across your app.