static description (box-and-line type diagram, or suitable
substitute): It looks like you tried to modify the example
architecture for your own purposes. That's good, but there are some
things that don't make sense to me. I don't understand why you have
separated out the Dayplanner applet on the WWW server side. The
applet is going to be contained inside some HTML document that
contains the correct APPLET tags to download the class definitions.
The HTML and class files reside in the FileSystem that is serviced by
the HTTP Server on the WWW Server. The action of invoking the
Dayplanner applet is a request from a WWW client to the WWW Server
that hosts the Dayplanner applet.
You should indicate where the .dayplan file exists. I believe for now
it can only exist on the file system served by the WWW server that
hosts the applet. Ultimately, that will change.
It is not at all clear what role the External Viewer and the View
Control components are playing in your system.