Quote Originally Posted by E. von Hoegh View Post
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.
So what is different between terms specific to a field and jargon?
The third definition of Jargon from the Free Online Dictionary

3. The specialized or technical language of a trade, profession, or similar group

Why is it that more difficult concepts can be explained but bokeh cannot be or is not real? Sorry but I do not understand.