The "News" feature is a sidebar widget you can use to keep your users informed of latest happenings on your site.
This last step will take you back to the Manage Page Content screen. Select 'news' from the Select topic type list and you should see your new topic at the top of the list of topics.
To remove the 'News' feature from the sidebar, drag it from the sidebar back into the center of the screen.
Follow the steps to editing your home page topics as discussed here.
While editing any of your home page topics and in the Content Entry field, put the following line:
This will embed the latest 4 topics directly into your home page.