Most mobile devices aren't designed for rapid data entry. Users shouldn't have to enter more than a word or two in order to access WML features since most users have to use their numeric keypad to enter characters and numbers. If you find that your application requires significant text entry, this may be a sign that the application may not be appropriate for WAP users. Your text should typically be short. As mentioned previously, the entire deck should rarely exceed 1 KB for a set of screens, so each screen has to be terse in its meaning and display.
Some phones have limited deck size support, so it's best to be brief.
Short strings are also appropriate since some mobile screens are as narrow as 12 characters in width. It's very important to understand what decks and pages are, and how they should best be designed. Effective navigation through the site will be critical to its success, and proper grouping of cards will simplify your development and maintenance effort. The group of cards all pertain to a related topic. Decks are designed to minimize linksanchors across decks and maximize links and anchors within decks.