Use mostly text for navigation

Controlling most of the navigation from page to page on your site through text links makes it easier for search engines to crawl and understand your site. Many users also prefer this over other approaches, especially on some devices that might not handle Flash or JavaScript. having a navigation based entirely on drop-down menus, images, or animations
Avoid:
- many, but not all, search engines can discover such links on a site, but if a user can reach all pages on a site via normal text links, this will improve the accessibility of your site; more on how Google deals with non-text files.

For navigation, the focus should be on simplicity and ease of use!