Web Browsing Software.
The navigation button helps to navigate the web by taking you back and forth between pages that you have already visited.
the internet
web browser
Web links are anchor tags which are used on web. They help to navigate from one page to the other.
A browser
It is search engine. So it provide a way to navigate on web.
A hyperlink - usually just referred to as a 'link'.
Firefox, Internet Explorer, and Safari. I personally prefer Firefox.
The Mouse.
the internet
I think you meant navigation, if so then navigation buttons are used to navigate or find your way around a web page.