A POS device isn't limited to meals — on the POS Devices edit page, under Ordering Modules, you toggle which of your account's ordering modules a device can sell from, and any combination can be active at once. The list shown mirrors whichever ordering modules your account has licensed; commonly this includes POS Menu, Grab & Go, À la Carte, Meal Packs, Custom Meal Builder, Proteins by the Pound, Catering, and Invoicing (custom-amount charges) — it can also include Extras, Products, or Subscriptions if your account has those enabled. Each enabled module adds its own tab/section to the POS ordering screen alongside POS Menu.