---
title: "Concepts"
manual: "Tutorial for Editors"
version: "main"
permalink: "https://docs.typo3.org/permalink/t3editors:concepts@main"
source: "Concepts/Index.rst"
rendered: "2026-09-28T11:00:36+00:00"
---

# Concepts {#concepts}

The following concepts are of interest:

**[Cache](https://docs.typo3.org/permalink/t3editors:cache@main)**

A beginners guide to browser caching and managing TYPO3's cache.

**[File Abstraction Layer](https://docs.typo3.org/permalink/t3editors:fal@main)**

Information about TYPO3's File Abstraction Layer (FAL) and how editors can modify meta data for individual files.

**[Accessibility](https://docs.typo3.org/permalink/t3editors:accessibility@main)**

An introduction to writing accessible content with links to third party resources.

**[Copyright](https://docs.typo3.org/permalink/t3editors:copyright@main)**

Information on copyright and data privacy.