Note of explanation.

app/Http/Kernel.php

@@ -9,6 +9,8 @@ class Kernel extends HttpKernel
     /**
      * The application's global HTTP middleware stack.
      *
+     * These middleware are run during every request to your application.
+     *
      * @var array
      */
     protected $middleware = [
@@ -37,6 +39,8 @@ class Kernel extends HttpKernel
     /**
      * The application's route middleware.
      *
+     * These middleware may be assigned to groups or used individually.
+     *
      * @var array
      */
     protected $routeMiddleware = [