What do the terms deck and card mean?
WAP applications interact with the user through a mobile device, such as a WAP-enabled phone or PDA etc. The display on such a device, be it small or large, is called the deck – it is where all user-input and system responses are shown. Individual screens of information, that perhaps carry out different tasks, are known as cards. These cards can appear, one at a time, within the deck. Rather than storing cards as separate files on a server, multiple card regions can be defined and then loaded when required. The WML