1. A method comprising: wirelessly receiving a data model definition at a wireless communication device; displaying a visual representation of the data model definition on a display of the wireless device, the displaying the visual representation of the data model definition comprising: displaying a hierarchical structure of the data model definition of nodes and interconnections between the nodes; and applying diagram delegates to one or more nodes of the hierarchical structure, the applying the diagram delegates to the one or more nodes comprising displaying an icon associated with a node, wherein the icon is configured to allow a user to interact with the icon by rotating the icon to change a value associated with the node; while displaying the visual representation of the data model definition, detecting a user interaction with the icon comprising rotating the icon by an angle; in response to detecting the user interaction with the icon, recording the user interaction with the visual representation of the data model definition through the wireless device to alter an entry in the data model definition based on the angle of rotating the icon, the entry corresponding to the node associated with the rotated icon, and changing the value associated with the node based on the angle; storing the altered data model definition; and wirelessly transmitting the altered data model definition to another device.