In 2006, Congress authorized the Secure Fence Actâa multi-billion dollar plan to build hundreds of miles of fencing along the southern border of the U.S. The plan has been billed as the way to stem the flow of undocumented immigrants and provide security from potential terrorism. Video: 'The Wall'.
The Taskbar is that special space, usually at the bottom of the screen, that lets you click on Start and move between other open applications. You have probably already noticed that the Taskbar has buttons that correspond to any programs you have open.
In Windows Vista, hovering over an application's taskbar button displays a thumbnail that represents the running window. If the taskbar has collapsed the application's windows, the thumbnail represents this by appearing as a stack, but only the active window is shown in the thumbnail itself.