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  1. Home
  2. Documentation
  3. TYPO3 basics
  4. Terms

Terms

On this page, the most important terms you will encounter when working with TYPO3 are explained.

Frontend

The frontend is the website as visitors perceive it. The pages are designed to be responsive and automatically adapt to different screen sizes.

 

Backend

The backend is the administration area where editors and administrators can edit content without needing any HTML knowledge.

Page

A page is a single webpage within your TYPO3 website. Each page has a unique ID (pid) and a freely selectable title. All pages are displayed hierarchically in the page tree.

Content element

A content element is a single content block on a page—for example, a text block, an image gallery, or a video. Each content element has a unique ID (uid) and is displayed on the corresponding page in the frontend.

Content type

The content type describes what kind of content a content element contains. Possible types include text, images, files or tables.

Filelist

The Filelist is the central file management system in TYPO3. This is where all files (images, PDFs, videos, etc.) are stored and managed for later integration into pages. Files can be organized into folders.

 

 

Extension

An extension is an add-on module for TYPO3 with clearly defined functions. Extensions can add features to the TYPO3 core system (e.g., a news system, a carousel, TUMFIS).

Plugin

A plugin is a content element that integrates an extension into a page. Examples include: News, TUMvCard, TUMcourses, T3UP Carousel.

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TYPO3 News

11.06.2026

TYPO3 v14 - That's new

11.06.2026

TUMFIS is now officially available

10.06.2026

TYPO3 v12: Code Freeze and Planned Upgrade to Version 14

10.06.2026

Transition of TUMonline to Public REST APIs

14.04.2026

TUMFIS is now available (Open Beta)

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