Choosing a Parent Category for a Sub Category
From semantic-mediawiki.org
Fragment of a discussion from Help talk:Special property Subcategory of
> "Create a Class". When I am in the "Create Category" page with the pull down menus for "Default form:" and "Make this a subcategory of another category (optional):"
SMW itself doesn't provide these listed functions (related to forms) therefore I assume you are referring to SF (Extension "Page Forms"). I would suggest you ask those questions on the appropriate forum so that a developer can hopefully give you a sufficient answer.