竜Dragon. An imaginary animal. An outstanding person. A hero. A parable of the Son of Heaven. A word used for things related to the Son of Heaven. Dinosaurs.
季A time period. A certain period of time. The time of each of the four seasons. The end of a season. The end of an era. The youngest of the brothers. The youngest child. Young.
空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation.
世The world. Also refers to 30 years. During a person's life. A lifetime. The period of time before a person inherits a position from his parents and passes it on to his children. To pass on from generation to generation. A period of time. The world. Society.
