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original: "紅" (Hong). In military diagrams of this period, a single color designation in the center of a rank often indicates a signal flag or a designated officer position.
original: "氏旗" (Shiqi). This banner identifies the specific sub-unit. The gloss "Blue Armor" (甲青) confirms this unit belongs to the Eastern/Wood division of the army.
The Dragon Flag (龍旗) was a high-ranking ceremonial standard. Their placement in the center of the formation suggests an escort or a guard of honor for a high-ranking official or an imperial representative.
original: "大旗" (Daqi). Unlike the "Unit Banner" above, the Grand Banner serves as the primary rallying point for the entire company.