Different peripheral devices of the present invention include: a display panel interface to which is reversibly operationally attachable a display panel and a power interface for receiving power from a host; a display panel to which are individually reversibly operationally attachable display panels for displaying respective aspects of the device's operation; a display panel for providing a semantic display of the device's mode of operation and a power interface for receiving power from a host; or a display panel, a controller for operating the display panel in accordance with ambient conditions, and a power interface for receiving power from a host. A system includes an appliance, an ornament dock and a peripheral device, reversibly operationally attachable to either the appliance or the ornament dock, that operates a display panel in accordance with data received from the appliance.