Literature Reference: At dawn, a banquet is set in the grand hall, where the host commands music to entertain the guests. Source from 'The Song of the Child Xue Yangtao Playing the Reed Pipe'.
公:
堂: The main hall, the distinguished guest. In names, it often refers to someone handsome and dashing.
Meaning: The term 'Gong Tang' refers to the main hall of the government, symbolizing justice, dignity, and authority.