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To provide end users with advanced browsing capabilities, a client can use one of the following APS Catalog features (or their combination):
Both filters and search descriptions affect the information on APS Catalog resources which is displayed to end users. By using filters/search descriptions, a client can reduce the incoming traffic value, and users can obtain more precise data. The difference between filters and search descriptions is that filters fetch particular feeds from APS Catalog indexes when forming a results set, while search descriptions contain rules that are applied to a certain feed (as request arguments) and affect the content of this feed.
The Filters and Search descriptions sections contain step-by-step instructions on how to filter the APS Catalog content. Some of these steps require additional explanations which are provided in a separate section called Service Operations.
