Website content comes in all shapes and forms and as the saying goes, "content is king". This is true because the only reason people visit your website is they are looking for something. They have a need, and they think you can satisfy that need. It is therefore very important to choose the right kind of content that you are going to provide your users.
Quickstart packages are a really cool way to get started with a Joomla template or a complex component. A quickstart is basically a fully functional and customized Joomla package containing module, templates and plugins with all the configurations and data in place.
This guide will help you to create a custom package. You can create any kind of site package eg a backup of your site or a simple demo package for a client.