12. The system of claim 11 wherein: means for listing the at least one presentation document includes means for storing a location of the presentation document in the data structure representing a presentation; and means for storing each presentation grammar includes means for retrieving a presentation grammar of the presentation document in dependence upon the location of the presentation document.
12. The system of claim 11 wherein: means for listing the at least one presentation document includes means for storing a location of the presentation document in the data structure representing a presentation; and means for storing each presentation grammar includes means for retrieving a presentation grammar of the presentation document in dependence upon the location of the presentation document. 14. The system of claim 12 wherein: the presentation document comprises an instance of an object oriented class on a content server, the presentation document having a presentation document name; the presentation grammar comprises a member data element of the instance; means for storing a location of the presentation document in the data structure representing a presentation includes means for storing the presentation document name and a network location of the content server; and means for retrieving a presentation grammar further comprises: means for requesting the presentation grammar from the content server, including means for communicating the presentation document name as a request parameter; and means for receiving the presentation grammar in response from the content server.