They're just selling the motherboard on its own, not a whole laptop. To make if a complete system, you'd have to buy a laptop chassis from Framework's parts site and install the motherboard yourself.
You can get a whole laptop if you purchase the "Pro" option that comes with the Framework 13 chassis: https://metacomputing.io/products/metacomputing-arm-aipc
You can get a whole laptop if you purchase the "Pro" option that comes with the Framework 13 chassis: https://metacomputing.io/products/metacomputing-arm-aipc