The Graphical User Interface (GUI) is a an entire software area, containing many different parts. While some of them are fixed, lots of them can be customized either by changing their position, or by choosing to turn them on or off. Some can have different size also, providing you possibility to create the working area that best suits your needs, or it can be job based. Easily switch between multiple available Screen Layouts or create and save your own. The following chapters are meant to explain deeper the meaning, the functionalities and the possibilities of each one of them.