Dear Dr Grzegorz K. Jakubiak

I would like to thank you.

Thank you

May be not true in all cases, but may be few exceptional's.... but generally no .....

Not always. Also, it depends what you are comparing English against.English tends to use less words than French. In E=German, this may not be he case.

So, there is no simple answer.

No, Chinese use less words than English.

It depends on your definition of brevity? A general statement can readily fall over. Is the goal to consider message vs data density in a digital format. Or message vs context. The same thing can be said in a number of different ways in the smae language.

https://www.researchgate.net/post/Why_is_English_the_dominant_language_of_business