What does Esther 1:6 mean?

The courtyard was decorated with white and blue linen curtains, tied with fine purple cords to silver rings on marble pillars. There were gold and silver couches on a mosaic floor made of marble, mother-of-pearl, and other precious stones. Esther 1:6 - Modern Text Bible

(The setting is described in detail, highlighting the luxury and beauty of the king's palace during the feast.)