This is the 1720th most frequent Russian word.
вопросе
"Вопросе" is the prepositional case form of "вопрос," meaning "question" or "matter."
The word "вопросе" here refers to a particular topic or matter under discussion.
В этом вопросе он совершенно прав.
In this matter, he is absolutely right.
Here, "вопросе" indicates a specific field or area of concern.
Я не разбираюсь в вопросе международного права.
I am not well-versed in the matter of international law.
In this case, "вопросе" signifies a specialized topic requiring expertise.