Navbar Item link to section in page

Hi All

Another newbie question.

I am making a single page website, using a Navbar to navigate to different sections of the page. I presume I can use the link options of each item, but how do I link it and to what?


Ok I have been looking at the template called "Clean Sky", which has the navigation I want. Can someone tell me, are some of the pages(about us and features) duplicated in the index.html file or is there a way to combine html files in the index.html to avoid duplication?

Also the Navbar and footer. How do you get it to appear on all pages like in this template. Is it possible to create a master page with the Navbar and the footer on it, that can be used on all pages? So if you change the master page, then it affects all the pages based it?