The term "中心 (Center)" refers to a point that is equidistant from all edges or boundaries of a given space. In geometry, it is often used to describe the middle point of a circle or sphere. The center serves as a reference point for measuring distances and angles in various mathematical contexts. In a broader context, "中心" can also refer to a focal point in various fields, such as a community center that serves as a hub for local activities or a business center that provides essential services for companies. It signifies a place where people gather for a common purpose.