Think that is in part intentional so people don't start squabbling over what does and doesn't count as 'the edge' in edge cases, as it also quite depends on the setup of the organization/people you are talking about. But yeah it is badly defined, which is also why I noticed it.

Yeah, im saying that for laymen the term edge is vague, and that it is explained by the context of the piece. I'm complaining about the industries weird jargon, and how easily it slips into everyday usage.

And then you hear people say stuff like: "Just put your logs into splork so you can look at the seim (which people pronounce as seam)".