This button allow you to publish or put the entire page on hold.
All articles will be on hold by default if the page is on hold.
Page Navigation Choices
Check the boxes for where you want the page to be displayed.
Main Menu refers to your main navigation and most pages
You will only have the Global Menu if your website was designed with global navigation.
Only choose footer menu for the most important pages.
In general, its a good practice to show all pages in the site map.