The taskbar is the long horizontal bar at the bottom of your screen. Unlike the desktop, which can get obscured by open windows, the taskbar is almost always visible. It has three main sections:
The Start button Picture of the Start button, which opens the Start menu.
The Start menu (overview)
The middle section, which shows you which programs and files you have open and allows you to quickly switch between them.
The notification area
See ... for more infohttp://windows.microsoft.com/en-us/windows/taskbar-overview#1TC=windows-7
A Toolbar is generally referring to the horizontal bar (mostly) at the top..
It contains items like FILE, EDIT, VIEW, FAVORITES, TOOLS, HELP.
if that is what you are asking