The content that appears here is the content of the page.
Create a Page. After creating a page, go to widget sub-menu under Appearance menu in the dashboard.
Drag the 'Catchthemes: Show Selected Widget' widget to the 'Main Content' sidebar. Select the page from the dropdown field.
You can add the title from the widget and if you leave the title field as blank the page title will be the title.
You can add more pages similary. The menu that will appear below after you add the widget are the title of the pages that make the menu.
Catch Launch is a single page theme and all the pages will be displayed here with the fade effect.