For more detailed information on using the Category Browser and other ways to work with categories, see Working With Categories.
A category is a listing of documents grouped by common subject matter. One way to find information on your network is to go to the category that covers the subject you are interested in and view the list of documents in that category.
Use the Category Browser to navigate through categories.
that is
to the left of a category name. (If there is no arrow to the left
of the name, that category has no subcategories and cannot be
expanded.)
that is
to the left of a category name. This collapses the display of all
the category's subcategories.