# placed his seat of authority above all the officials who were with him
Here "seat of authority" represents his position or status in the government. AT: "promoted him above the other officials" or "gave him more authority than all the other officials" (See: [[rc://en/ta/man/translate/figs-idiom]])
# knelt ... prostrated
These acts represent submission to the authority of Haman. (See: [[rc://en/ta/man/translate/translate-symaction]])