 Their official rank is low, between Jeong 6-pum and Jeong 8-pum (정 6품/정 8품; 正六品/正八品), but they stay where the king is, for example, a royal progress, meeting with courtiers and attendance of morning assembly.They write Sacho (사초; 史草), recording popular sentiment and king’s every movement.The "Annals of the Joseon Dynasty" is based on this recording.