Well done, you have now learnt the essentials of managing and using your website. You have achieved the following:
Understanding the general functionality and layout of your site
Creating and managing users of your site
Creating and editing content of your site
Manipulating blocks to make your website more interesting to a visitor
Setting general settings of your site
With these skills it is possible for you to build up your site into a rich source of information for all the world to see. Since all extended functionality of this highly flexible content management system (Drupal) is based on similar principles to those covered in this document, you can potentially explore the options yourself to discover how to use such features as online discussion forums, online live chat rooms, blogging (online diaries for users), email newsletters, etc.