In this story, the Doshi (guru) was Buddha, the travelling people were Issai Shujo (all creatures), 500 Yojana road was harshness and difficulty of Buddhism ascetic practice, Kejo was Nijo enlightenment and the treasure spot was Ichijo enlightenment.
この物語の導師は仏で、旅をする人々は一切衆生、五百由旬の道のりは仏道修行の厳しさや困難、化城は二乗の悟り、宝処は一乗の悟りである。