Vaalingrade
Legend
It can (and this case is) also denote something analogous, but not the same.Supernatural for certain. Non-traditional magic according to their statement. Again, that's how language works. If you call out something as not in the traditional sense, it's automatically that thing in a non-traditional sense.
Laser surgery is not surgery 'in the traditional sense' as it is not cutting anything, but burning it away. It's not really the same as surgery, but it's the closest thing our language has for it. D&D has just slowly lost the language to explain how fantastic is not exactly supernatural and supernatural is not exactly magical.
It's squares in rectangles. This type of shape is not a square in a traditional sense, but it has four sides and some right angles, but they're not all equal.