I think you mean aero user interface.
Aero is a feature in most Windows 7 operating system packs today.
It allows the user interface (the edges and tops of windows and the task bar) to look transparent and glassy
This feature is purely cosmetic and serves little purpose but to make the operating system look fancy.
It is not necessary or vital to you PCs running.
The user interface is software.
This is what the user sees and works with when using the computer..Different types are Graphical user interface, Command line interface and Manual driven interface
Graphical User Interface
when the window is user friendly then we can easily use the user interface.
Graphic User Interface (user-friendly)
Graphical User Interface
Magic User Interface was created in 1993.
When an interface is easy to use it is normally referred to as a user friendly interface. A friendly user interface saves time and does not require any special skills to operate.
Graphical user interface
Graphical User Interface.
Aqua - user interface - was created in 2000-01.
The 'shell' is a user interface program that interfaces between a user of the system and the Operating System. It is the user interface.