"A Microsoft-provided class driver is an intermediate driver designed to provide a simple interface between a vendor-written minidriver and the operating system." Class Driver and Minidriver Definitions. Windows Hardware Developer.
"The different technology-specific driver models use a variety of names for the specific and general pieces of a driver pair. ... Here are some of ... pairs ... audio miniport driver, audio port driver ... battery miniclass driver, battery class driver" Minidrivers, Miniport drivers, and driver pairs. Windows Hardware Developer.
"The Windows Driver classification will extend and replace the current Universal Driver classification." Windows Hardware Developers. Getting Started with Windows Drivers.
"For a software driver, your two options are KMDF and the legacy Windows NT driver model." Choosing a driver model. Windows Hardware Developer.