Building menus
The primary way to organize content in Drupal is by using menus. The Drupal menu system organizes content in a simple outline, where a page can be nested under another page. Drupal handles the expansion and collapsing of menus to hide menus that aren't immediately relevant to the user. This helps to keep the menu short and also ensures that the visitor can easily understand your site layout. You can also create multiple menus for the site. For example, many sites will have a Main menu that is displayed on the left-hand side corner of the screen, and a smaller menu that is displayed at the top of the page, and that lets the visitor jump to a specific section of the website. Ultimately with Drupal 7 you can create as many menus as you need.
Types of menus
Drupal offers four different built-in menus:
Main menu
Management
Navigation
User menu
You can access all of your menus by going to Structure | Menus:
Although you can use these menus for any purpose you want, the standard...