Many of these all examples of what Language Log terms "nerdview" (http://languagelog.ldc.upenn.edu/nll/?p=4509), using in-business jargon incorrectly with outsiders because you either don't know or don't care that they won't really know what you're talking about.

It's held up as an example where your use of language, whose purpose should always be to be understood by others, shows an explicit or implicit contempt for your listener.