A Content Management System (CMS) is a software application or platform that allows users to create, manage, and publish digital content on the internet without requiring technical expertise. It provides a user-friendly interface for content creators, editors, and administrators to easily add, edit, and organize text, images, videos, and other multimedia elements.

Key features of a CMS typically include:

1. Content creation and editing tools: Users can easily create and modify content using a WYSIWYG (What You See Is What You Get) editor, similar to word processing software.

2. Content organization: The CMS provides tools for categorizing and tagging content, making it easy to organize and navigate.

3. User management: Administrators can control user access levels, permissions, and roles to manage who can create, edit, and publish content.

4. Version control: The CMS tracks revisions and allows users to revert to previous versions of content if needed.

5. Workflow management: It supports collaborative content creation and review processes, allowing multiple users to contribute and approve content before publication.

6. Publishing options: Content can be published immediately or scheduled for future publication, and the CMS supports various publishing formats, including web pages, blog posts, and multimedia content.

7. Search functionality: Users can easily search for and retrieve content using built-in search tools.

8. Customization options: The CMS often provides templates, themes, and plugins/extensions to customize the appearance and functionality of the website or application.