There is no such a thing as "universally understood terminology". Even English words mean different things in different countries.
Bonnet and boot to an American are articles of clothing, to someone from Britain they are parts of a car/truck.
Agreed, any open minded person with a desire to learn will only enrich their experience by learning about diversity, not wanting everyone to conform to his/her particular way of thinking/talking. It is when we look outside of our normal "little world" that we learn and grow.