What does office space mean

Twenty Years of Witnessing the Strange Present Situation, 10th: "His meaning, but also thought that the packet of detectives, inspectors and arrests is the office of the people, must be impartial." Zheng Guanying, "Shengshi Dangerous Words-Cheap Salaries": "All civil and military cheap salaries, will be doubled according to the old amount to give, and respectively, discretionary office expenses, so that there is no risk of shortage."

Lao She, "Camel Xiangzi" 20: "Mr. Xia went to the Yamen office in the morning, and came back at five o'clock in the afternoon, and Xiangzi only had to be picked up and sent.