In Laravel, x-app-layout is a Blade component used to define the layout for a view. It is typically used in conjunction with the x-slot directive to define the content that will be inserted into specific sections of the layout.

When you create a new Laravel application using the laravel new command, the default application template includes the x-app-layout component. This component defines the basic HTML structure for your application’s pages, including a header, a navigation menu, a main content area, and a footer.

You can customize the x-app-layout component by editing the resources/views/layouts/app.blade.php file. This file defines the HTML structure for the default application layout. You can also create your own custom layout components by extending the x-app-layout component or by creating a new Blade template from scratch.

Using the x-app-layout component in your views allows you to easily maintain a consistent look and feel across your application, and makes it easy to add new sections to your layout as your application evolves.