We share through mechanisms that interpret representations at multiple levels for various purposes. Each involves a dispatch of some form.
The application designer creates a schema for facts that meets specific need. The designer interprets the requirements and builds accordingly.
Wiki is now a platform where a user's need is mapped into the hypertext of wiki, the markup of its plugins, and the choices made when viewing. We as designers of federated wiki have delegated interpretation to reader, writers and server operators.
Chorus of Voices converging on shared understanding.
Hacking Wiki's Methods where calculations communicate.
How We Find Data and view it in hypertext.