A Newsletter page, as its name implies, displays an online newsletter. Newsletters are comprised of Topics (categories) and Items (articles).
To add a Newsletter page to your website, create a New Page as described in the Reference manual under Buz CMS > Web Page Management > New Page. For "This page will be a: ", select Newsletter.
Next add desired page text, then select Publish Page to complete the page creation.
For instructions on managing a Business Directory, go to Reference Guide Buz CMS WEB PAGE MANAGEMENT News in the Reference Guide.