https://en.wikipedia.org/wiki/Accounting
It is said that accounting is the language of business. I believe that understanding of a specific part of our universe (or world, or society), at least to some extent, requires mastering a particular language used in that field.
You can not fully enjoy works of Shakespeare if you do not understand (early modern?) English, and you can not fully enjoy your ham life if you do not QSO on CW.