The word 疏散 is formed through the combination of two individual characters, each contributing a core meaning that merges into a single, unified concept. The first character, 疏, carries the sense of clearing out, opening up, or creating distance and unobstructed flow. The second character, 散, means to scatter, disperse, or break apart. When fused, the concept evolves sequentially: 疏 establishes the condition or goal of creating open space or relieving congestion, and 散 provides the action that achieves it, the actual scattering or dispersal of people or things into that space. Thus, the formation encapsulates the entire process of moving from a state of density to one of safe, opened-up separation.