Definition: The word "navigation.php" refers to a website's main navigation menu page, which may include links to various sections or pages within the website itself. It's often used in web development for navigating through different sections of content on a webpage. Specific definitions vary slightly but typically relate to: - Navigation: The process by which users navigate to and interact with web content. - Link: A hyperlink that directs a user from one page to another, usually by connecting them to the same web page or a related link. Links can be static (on the site itself) or dynamic (where they are loaded dynamically). - Section: A section of content on a webpage where a particular piece of information is presented. In terms of its purpose within web development and website design, navigation.php might serve as an important element to manage user flow through multiple sections of your site.