Taskbar
/ˈtæskˌbɑɹ/
"Taskbar" in a Sentence (3 examples)
Cortana appears next to the Start button on the taskbar.
Try clicking on the taskbar.
You can download Google's deskbar for free […] It automatically installs itself as a toolbar on the Windows XP taskbar, but you have to turn it on by right-clicking the taskbar and choosing Toolbars → Google Deskbar.