Windows Driver Library (n)~ A collection of hardware device drivers for a Microsoft Windows operating system that were not included in the original Windows package. Windows Driver Model (PN)~ A driver model based on the Windows NT driver model that is designed to provide a common architecture of I/O services for Windows operating systems for specific classes of drivers. These driver classes include USB and IEEE 1394 buses audio still-image capture video capture and HID-compliant devices such as USB