What is taskbar and how to hide or show taskbar and how to move up top down left the taskbar and to small the icons of taskbar

Taskbar is on bottom of desktop where you click on start menu and icons are show.

>Go to control panel

> Click on Taskbar and navigation.

> Click on use small taskbar icons to small the icon buttons of taskbar

> Click on combine taskbar button dropdown to show taskbar buttons text