.. include:: /Includes.rst.txt .. _cms: ============================ CMS - Content Management System ============================ TYPO3 is a content management system, also called CMS for short. It is mainly used to display content (text and media). As an enterprise content management system, TYPO3 supports multiple users in a collaborative environment and :ref:`digital asset management `. .. _content-presentation: Separation of content and presentation ============================== Separation of content and presentation is the separation of concerns design principle as applied to the authoring and presentation of content. https://en.wikipedia.org/wiki/Separation_of_content_and_presentation In TYPO3 the content in its raw form is edited in the backend, while the presentation is achieved in the frontend: .. figure:: /Images/Illustrations/backend_frontend.png :alt: Backend and frontend of TYPO3 as an illustration :class: with-shadow Backend and frontend of TYPO3 as an illustration In the backend, for example, you can state that a headline should have level 2. This would be a content decision. However, in the frontend this headline is displayed in red and underlined. This is one example of what the presentation does. The presentation is influenced by the :doc:`sitepackage ` that your integrator or developer configured.