주서기, or "Juseogi," refers to a historical position in the Korean government, particularly during the Joseon Dynasty. This role was primarily responsible for managing official documents and records, ensuring that important information was accurately maintained and accessible. The 주서기 played a crucial part in the administration, as they helped facilitate communication between different government departments. Their work contributed to the efficient functioning of the state, allowing for better governance and record-keeping throughout the Joseon period.