- Sub-categories
Sub-categories are
used to make stream searches; ex.: you have a Music category
with Artist and Album as sub-categories. When Music
is used, both subcategories are used and results appear separately.
You can add several other subcategories, all sharing the same vocabulary
and links.
Possibility are large: you can have a subcategory that will always searches
in .org ou .net ... just let your imagination go.
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