Literature Reference: 乍觉年华改，翻怜物候迟。—— 《闰月定四时》 Suddenly aware of the passing years, I lament the delay of the natural seasons. Source from 'Runyue Ding Sishi'.
物: Objects, items.
候: Waiting, anticipating, and steadfastly keeping watch.
Meaning: The term 'Wu Hou' refers to the changes in nature and the transition of seasons, symbolizing harmony between humans and nature and the ability to observe subtle details.