Wireless Access Protocol (WAP) is the standard when it comes to wireless information and telephony service for digital mobile phones and other wireless terminals. WAP enables fast and easy delivery of essential information and services to mobile users. To fully understand WAP, Wireless Markup Language (WML) must also be understood. The following Tech Note focuses on the main issues of WAP and how WML is used along with it. It will cover general overview of WAP along with WML, its usage, how WML is used with 4D, and an explanation of the demo database that displays the interaction of 4D and WML.