# Languages

When IDOL Server processes a document, it treats the text as a series of tokens (words), each of which is a unit of meaning. At a low level, this method is language independent. However, you can improve your query results by applying some language dependent processing.

Language dependent configuration allows you to:

- make sure that all your content is treated consistently, allowing cross-lingual search.

- filter your searches to content in a specific language.

This section describes the most important language concepts, and explains why you might use them.

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