This may not be the best place to ask this, but it's as good as any I guess.

Anyone feel like writing two paragraphs on the distinction between "jumpseating" and "non-revving" since the terms seem to be interchangeable for about 90% of the people I talk to, and the other 10% look at me like I'm a moron when I use them incorrectly?

I ask because I was under the impression that no one does international offline "jumpseating" anymore, but based on the remarks here, now I'm wondering if this refers to the cockpit jumpseat only.