The word 下车 is formed through a direct and conceptually literal combination of two individual characters: 下 (xià), which primarily means "down" or "to descend", and 车 (chē), which means "vehicle" or "cart". It is constructed by simply placing the action before the object, creating a miniature visual and conceptual sequence of "descend + vehicle". This formation does not rely on phonetic clues but is purely ideographic, where the meaning of the whole compound is logically derived from the sum of its parts, picturing the fundamental action of getting down from a car, carriage, or any similar conveyance.