Lipids are fats. Many foods contain fats. Most meat, poultry, seafood, and even fish. Most dairy products contain fats unless stated nonfat. In their natural state dairy contains fat.
Microsoft Windows (or simply Windows) is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of operating systems, each of which cater to a certain sector of the computing industry.
Windows is a graphical user interface (GUI) and is easy to learn in contrast to the DOS, which is command line Interface. An interface determines how you interact with your computer to do things like entering data or running programs like changing fonts, numbering lines, breaking the text into columns or spell checking.