No worries, you're fine, just trying to clear up the confusion. I've heard both terms used interchangeably depending on context. _Usually_ as an administrator y

No worries, you're fine, just trying to clear up the confusion. I've heard both terms used interchangeably depending on context. _Usually_ as an administrator you care about what's in the tunnel, but _usually_ as a designer you're worried about how the tunnel itself is communicated, so, yeah, confusing :)