You can create independent pages (Like About Us, Contact us, etcs) from Pages. To create new page click on it and then click on “New Page”
Here you have to enter Title and Content. Other fields are optional. Meta Description and Keywords are for seo purpose. Alias is normally generated automatically but you can also enter it manually. Alias appears on URL. For example: http://xyz.com/page/5431/your-alias-here
You can also import pictures from media browser. If you want to let others see this page publicly then set its status to “Public”.