On the iPod Touch, you can use Safari's "back" button to return to the previous Web page. Safari also tracks each site you visit on the device and stores them in a history log.

How to Launch a Web Page From an ASP.NET Button. Developers can create buttons that launch new Websites from within a Web page, or they can make new website windows appear without user intervention.

Update 08/16/23: In iOS 17 Developer Beta 6, Apple moved the End Call button back to the middle. It’s still in a group of six buttons rather than separated off by itself; it has just switched ...