You can also find website templates that are designed for content management. This means if your goal is to create a content-based website, such as a blog, you will have an easy time managing the content. You will be able to easily create and publish unlimited blog posts, and all without having to have knowledge of web programming like HTML, CSS, PHP, etc. One of the best templates for content management would be WordPress and also Joomla. There are other options available as well that you might be more comfortable with.
CMS helps to separate design of web site from its content. It means designer develops a web site and gives it to its owner or manager who can fill a certain design with different content. If necessary the content of web site, its images and graphics can be easily edited without intervention into design of web site. All changes become visible as soon as you make them. (Don‘t forget to reload page after making changes). Even if you are not an expert of HTML coding, you can easily manage the content of your web site yourself.