# Introduction

[](https://help.qlik.com/talend/en-US/talend-data-catalog/Content/index.htm)

Welcome to Talend Data Catalog (TDC)

Data Cataloging and Data Governance solutions must be built upon solid Metadata Management foundations: At the core of MM is a high scalability Metadata Version & Configuration Management system designed to support the continuous changes in the enterprise architecture with metadata harvesting (on prem & multi-cloud) and automatic stitching.

The Big Picture of Metadata Management for Data Governance

* with Business Glossary semantic traceability to the actual Enterprise Architecture,
* with data flow lineage & impact analysis, and support for DI & BI development Lifecycle Change Management.

![Metadata Management Big Picture For Data Governance and Enterprise Architecture](https://help.qlik.com/talend/en-US/talend-data-catalog/Cloud/Content/img/mimm-big-picture.png)

## Packaging Editions

![](https://help.qlik.com/talend/en-US/talend-data-catalog/Cloud/Content/img/TDC-Editions.png)