What do the national costume and national standard mean in the glory of the king?

There are three kinds of the glory of the king: county standard, city standard and national standard. After the glory of the king determines the glory war zone, players are ranked according to the glory of a hero. The national standard is a symbol that will appear when players ranked in the country enter the game loading interface and game. The national costume has two meanings, one is the domestic version of the glory of the king, and the other is that some hero of the player has the national standard. At this time, they usually say that they are the national costume or something, such as what I am the national costume of Xia Houdun. The glory of the king's national service generally refers to the latter.