From the Heian period to the Edo period, the official court rank, i.e., the court rank, and the government post were used in the class system of the court nobles and warriors, but the medals for merit gradually fell out of use later in the history.
平安時代以降、江戸時代に至るまで官位即ち位階と官職は公家や武家の身分制の中で活用されてきたが、勲等については時代が後になるにつれ用いられることが少なくなった。