The core Drupal install is a blank slate. Although the core install contains the potential to become a powerful, flexible learning tool, much of this functionality needs to be enabled and configured.
However, before we begin extending the features and functionality of your site, we will look at the functionality of the core Drupal install, and how the administrative sections are organized. The core install provides the foundation on which we will build your site.
The default navigation menu seen in the preceding screenshot shows the options available in the core Drupal install. In this explanation, we will break them down into Core User Functionality, and Administrative Functionality.