This unit contains the class implementation representing a Form/Window on the screen OS or Desktop/Window manager decides the position. Window gets placed in exact x,y coordinates set by developer. Window gets centered horizontally and vertically in the current desktop window. Following the "golden ratio 1.618" rules or ideas as to what is pleasing to the eye. The window is positioned one third from the top of the screen, using the desktop height to calculate, and centered horizontally.