Re: Not really concealing anything, more like technically accurate shorthand.
Seriously, every group of people develops their own lingo....
That's fine if within reasonable limits. I once work for a big corp that used their own lingo extensively. Should have been wary before I joined as they even littered their public job ads with. At least, it taught me to stay away from such places: too much cult-like self-adulation and apish chest beating.