Explain Facades in Laravel ?

Laravel Facades provides a static-like interface to classes that are available in the application’s service container. Laravel self-ships with many facades which provide access to almost all features of Laravel. Laravel facades serve as “static proxies” to underlying classes in the service container and provide the benefits of a terse, expressive syntax while maintaining more testability and flexibility than traditional static methods of classes. All of Laravel’s facades are defined in the Illuminate\Support\Facades namespace. You can easily access a facade like so:

use Illuminate\Support\Facades\Cache;

Route::get('/cache', function () {
    return Cache::get('key');
});