# Investigate

This section describes the IDOL functionality that you can use to investigate your data more thoroughly, to find trends in your data, and draw attention to particularly relevant or important information.

- Parametric Search . Use faceted search to restrict results.

- Automatic Query Guidance. Generate a list of topics from results to guide user queries.

- Highlight Results. Highlight matching terms in your result documents.

- Term Analysis. Analyze the number and types of terms in IDOL Server, and use this data to improve results or performance.

- Structured Analysis. Analyze the structured fields and elements of a set of documents to find patterns in the data.

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