This section was inspired by Noah Gibbs' page of DGD Terms and Concepts. I briefly considered merely linking to it (which is the WWW way, after all) but then decided to make it a section integrated with the rest of the FAQ instead.
Functions can be
Dworkin's Generic Driver
Kernel function. The functions built into the driver itself.
Lars Pensjö C, meaning the dialect of C that was interpreted by the gameengine (a.k.a. driver) he wrote.