The Tool Bar Window is docked to the top of the default user interface. It contains a set of tabs, providing access to most of the tools available in the program. The contents of the toolbar is user configurable.
Toolbar, just like other program windows, can be scrolled by dragging it with the right mouse button 'Ctrl' key held down. Alternatively, the middle mouse button can be used for dragging without any key modifiers. The tool bar can be hidden and made visible from the pull down menu View/Tabbed tool bar or with the hotkey 'F3'.
Usually the toolbar works in conjunction with the tool control bar. When a tool is activated, the tool control bar shows the tool specific options.