You seem to mix datatypes (the different attributes on classes) and classes.
Start here and also look at the 'The content class' and 'Class attributes' pages: http://ez.no/doc/ez_publish/technical_manual/3_10/concepts_and_basics/content_management/datatypes
For a tutorial on how to create new classes, templates and overrides:
http://ez.no/ezpublish/documentation/building_an_ez_publish_site Especially the 'the guestbook' section!