Status: MUST be "ON" for the page to appear in your store. The Status allows you to disable the content page from being shown on your site without having to delete it.
Parent Content Page: Here you can set the content you are currently adding to be a sub-page of another
Content Title: the title of content, displayed in the storefront
Description: content descriptive text you want to appear on the storefront
Meta Tag Keywords: provides metadata about the HTML document. Metadata will not be displayed on the page but will be machine parsable
Meta Tag Description: provide a concise summary of the webpage. Usually appear in a search engine results page
SEO Keyword: The SEO Keyword is important for the proper indexing of your online store by the various search engines. Click Generate button for auto-generate. See how to Enable SEO URLs
Content: content text or HTML you want to display on the storefront.
Stores: select store where a content page will be displayed; Read more about multistore set up in this article
Sort Order: Sort Order set's the order of which the page will be displayed amongst others.