# Catalog

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The catalog is designed to manage metadata for Tables and Queries, making it easier to organize and retrieve your data.

## Key Features

* Annotation:
  * Add descriptions and tags to tables and columns to provide more context and improve understanding.
* Enhance searchability:
  * Use annotations or tags to improve keyword searches, making it easier to find the data you need quickly.
* Popularity:
  * Track table popularity, calculated by the number of referenced queries in Notebooks, helping you identify the most frequently used tables.
* References:
  * Identify which notebooks and jobs refer to the table, and achieve a clear understanding of data dependencies and usage.