A Web Content Management System (CMS) is an online website that is used to manage work flow needed to collaboratively create, edit, review, index, search, publish and archive various kinds of digital media and electronic text.

For example your typical news media website might have articles, videos and archives, forums etc, and a CMS, enables the owners of the website to manage these through the browser, without touching any code, and having the website automatically manage and update the website with various methods.

The above video gives a great quick overview of what a CMS is. Basically summing up that it when running a website you have 3 options:

1. Learn the HTML/CSS and PHP language to update the website
2. Outsource updating to the web developer on a regular orgnaised basis
3. Ask the developer for a CMS, which will allow the business owner to focus on more important things to focus on.

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