x-guest-layout, x-auth-card, x-slot etc? - laravel

Hello, I have this code sdkjfolgfd sdfgsdfgsdfg I really dont understand why x-slot is not defined I get this error message Unable t

slots 03:04 how to use x-slot 07:30 Check if the variable is present 08:50 Add attributes to x

xxx slot Describes PCI* slot compatibility for the Intel® PRO1000 GT and MT Quad Port Server Adapters

x4 slot Lens Hood LH-X100 Cut down the chances of lens flare and glare degrading images by attaching the optional LH-X100* · UHS-I Single Card Slot The single SD card