[TYPO3-ttnews] use of categories "module" and "world scope"

[Cate & Peter]

Hi all

>Does anyone know what the purpose of these categories are? I have been
>looking in the documentation, and searching online, and I can't find their
>reason for existence. I don't want them, so I am wondering if they can be
>deleted?

Just to say I haven't found the answer to this yet, but am just excluding
them from navigation, etc.

Cate