What does Esther 1:14 mean?

The men closest to him were Carshena, Shethar, Admatha, Tarshish, Meres, Marsena, and Memucan—the seven nobles of Persia and Media who had special access to the king and were the highest officials in the kingdom. Esther 1:14 - Modern Text Bible

(The king's top advisors are named, showing the importance of the decision and the seriousness of the situation.)