A CMS lets you build and update websites without writing code. You create pages through a web interface, add text and images, then publish everything with a few clicks. A marketing team can update product descriptions, add blog posts, or change homepage content while their developer works on other projects.
The software stores your content in a database and uses templates to display it on your website. When you edit a page, you're actually updating database records that get pulled into your site's design. Modern systems split this into two parts: the editing interface (called the Content Management Application) and the part that serves content to visitors (the Content Delivery Application). Some newer platforms work as "headless" systems, meaning they just manage content and send it through APIs to whatever front-end you build.
This Web content management approach differs from simple website builders that focus on dragging and dropping visual elements. A CMS handles the full content workflow with features like user permissions, content scheduling, and editorial approval processes. WordPress works as an all-in-one Web publishing software where everything happens in one system. Headless platforms like Contentful separate content management from presentation, so developers can use the same content across websites, mobile apps, or any other digital channel.
Companies use these Publishing platform tools for different needs. E-commerce sites manage product catalogs and descriptions. News organizations handle hundreds of articles with complex editorial workflows. Corporations maintain websites, employee portals, and documentation systems. As businesses need content across more channels (websites, apps, digital displays), these Website builder systems increasingly serve as central content hubs rather than just tools for making websites.