---
title: Key Telegraf concepts
description: Includes information on supported input data formats, output data formats, aggregator and processor plugins, and includes a glossary of important terms.
menu:
  telegraf_1_18:
     name: Concepts
     weight: 30
---
This section discusses key concepts about Telegraf, the plug-in driven server agent component of the InfluxData time series platform. Topics covered include metrics, aggregator and processor plugins, and a glossary of important terms.

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