What is a Section?
Versions of Joomla prior to 2.5 had Sections and Category options available to you to use to organize your articles and website content. In Joomla 2.5 and 3.0 they eliminated Sections and now everything is done using Categories and Child Categories. The function is still the same just the terminology has changed and upgrading is no problem since any Sections you had will migrate into categories.
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