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.
Specialized Windows. There are various type of windows, and their functions and appearances can vary substantially. For example, a browser is a specialized type of window that has additional functionality, including the ability for the user to move forward or backward through a sequence of documents (i.e., web pages).