"Tang Yun" pronunciation is *hu* (low tone) + *ge* (falling tone), "Ji Yun" pronunciation is *he* (low tone) + *ge* (falling tone), pronounced the same as "he" (falling tone). "Yu Pian" explains it as a tool used to assist the rotation of wood. Also, "Ji Yun" pronunciation is *xia* (low tone) + *xia* (falling tone), pronounced the same as "xia" (falling tone). Refers to a wooden tool used to straighten bows and crossbows. Also, "Ji Yun" pronunciation is *wu* (low tone) + *xia* (falling tone), "Lei Pian" pronunciation is *qiu* (low tone) + *xia* (falling tone), the same as the character "jie". Refers to a musical instrument called "yu".