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navigation_title: "Syntax reference"
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# ES|QL syntax reference

This section covers the essential syntax of the ES|QL language.

* [Basic syntax](esql-syntax.md): Learn the fundamentals of ES|QL query structure, including pipes, commands, and expressions.

* [Commands](esql-commands.md): Discover the core commands for data retrieval, filtering, aggregation, and transformation.

* [Functions and operators](esql-functions-operators.md): Explore the full range of functions and operators available for data manipulation and analysis.