---
title: "Explanation and Concepts\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/community/docs/communications/matrix/concepts?format=md
keywords: index, follow
---

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# Explanation and Concepts

In this section you will be able to find core concepts on how Matrix works. You will learn about the protocol, rooms, spaces, and federation. You will also read about how Matrix is different from most other synchronous communication platforms.

## [Matrix Concepts: Moderation and Defense](https://ubuntu.com/community/docs/communications/matrix/concepts?format=md#matrix-concepts-moderation-and-defense)

[Moderation and Defense of our Matrix Community](https://ubuntu.com/community/communications/matrix/moderation-and-defense)

## [Matrix Concepts: Rooms and Spaces](https://ubuntu.com/community/docs/communications/matrix/concepts?format=md#matrix-concepts-rooms-and-spaces)

If you want to gather a deeper knowledge on how rooms and spaces works on Matrix, please check the articles in this group

* [Room Publishing](https://ubuntu.com/community/communications/matrix/room-publishing)
* [Rooms and Spaces](https://ubuntu.com/community/communications/matrix/rooms-spaces-concepts)
* [Room Properties](https://ubuntu.com/community/communications/matrix/room-properties)
* [Bridging & Integrations](https://ubuntu.com/community/communications/matrix/bridging-integrations)
* [Moderator Bot](https://ubuntu.com/community/communications/matrix/moderator-bot)

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Mjolnir Commands](https://ubuntu.com/community/docs/communications/matrix/mjolnir-commands)
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Moderation and Defense](https://ubuntu.com/community/docs/communications/matrix/moderation-and-defense)

This page was last modified 2 years ago. [Help improve this document in the forum](https://discourse.ubuntu.com/t/explanation-and-concepts/41901).