The word 空间 (kōngjiān), meaning "space", is formed by combining two meaningful characters. The first, 空 (kōng), conveys the idea of "emptiness", "void", or "sky". The second, 间 (jiān), signifies an "interval", "between", or a "separated area". When fused, the concept evolves from simply "an empty interval" to the more abstract and comprehensive notion of a dimensional expanse that contains and separates objects, whether referring to physical room (like in a house), outer space, or a metaphorical arena (like cyberspace). It is a logical, conceptual blend where the void (空) provides the fundamental quality and the interval (间) provides the structural framework, together creating the idea of a measurable or perceived expanse.