I could provide an equally complete description of a BMW 335d, but it would not be a general description of all automobiles. It would be dangerous to rely on it as one. One could, for example, come away with the impression that automobiles necessarily have diesel engines. Many do, but most don't.
If your question is about the meaning of the term in the context of this specific job, the linked page gives the answer. If it is about the meaning of the term in general, as several people have already pointed out, it is far from standardized (or standardised, much like English spelling).