Toolbars are usually found in graphical user interfaces (GUI) of computer programs. They come in various forms and sizes and are mainly used to provide a quick and simple way of performing common functions or tasks in software programs. The toolbar generally consists of a series of buttons or images. Many software programs make use of toolbars for example your favourite Internet browser usually has a toolbar displayed at the op of the screen. Some toolbars can be docked or displayed vertically or horizontally.