What is a content management system? In simple terms, it is typically known as a website generated by data stored in a database. The idea is to store information in a database and serve it up as web pages. So, any system that stores your web page information in a database and presents that information in dynamically generate web pages can be called a CMS. But how do you know which CMS is right for you? One way to determine which CMS is right for you is to use an analogy. So let's us a transportation analogy.