Quote Originally Posted by TheFlyingCamera View Post
Better example then- f-stop instead of lens aperture. Or Scheimpflug principle. Scheimpflug principle is something that once understood, two words is sufficient to encapsulate the concept, but when not understood, requires an entire Wikipedia entry to explain. And even if you dumb it down for a layperson to "the understanding of how to control vertical and horizontal planes of focus to correct for converging vertical lines", they will probably start tuning out at "vertical and horizontal planes".
F stop is another term specific to photography, and with a tiny bit of explanation is easily understood by anyone who cares to. Scheimpfulg principle, that's also explicable (but better demonstrated) to anyone who cares to know, but I'll point out that there are many who call themselves "photographer" who don't understand it - just like "bokeh.