To add new page go to Pages->Add New.
Every WordPress page assigned to some Template. By default page assigned to Default Template. You could change it in Page Attributes meta box.
Default template allows you create simple pages with text and media content. Brooks provides few simple options for pages:
– page width, allows you to choose page layout width – fullwidth( 100% ) or in container( Bootstrap container, 1170px on desktop )
– sidebar position, allows you to setup sidebar position or disable it on page( in case sidebar enabled – Blog Sidebar will be displayed )
– show/hide footer.
Also every page like every post has Featured Image, you could attach image and it will appear in page header.
Finally, set page title and add some content in editor window.