This diagram shows the places of court officials and properties in a court assembly. This type of diagram is called Baebando which uses letters to indicate the locations in court events. It is a woodblock print and is mentioned in 『Jeongjo Annals』 of 1778 (year 2 of Jeongjo) to publish this diagram. The front of the palace is referred to as Injeong gate which means the event was held at Injeong building. The upper part shows the diagram and below is an explanation to it.