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Elastic Search, upon which Episerver Find is built, features several facets ranging from simple to advanced, such as Terms, Range, Statistical and Geo Distance.

The .NET client API in Find supports facets based on: 

Facets and filters

Normally, facets are affected by filters, just like search results. However, via the FilterHits method, it is possible to retrieve facets without applying the filters applied to search results . Therefore, it's good to read up on the Filter and FilterHits methods, because there are significant differences between them when working with facets.

Last updated: Nov 16, 2015