of concerned country(憂國詩), that
recites historical poem(詠史詩), journeypoem(紀行詩), song
poem (樂府詩) are ... 四言詩, 六言詩, 醉夢詩, 社會詩, 憂國詩, 詠史詩, 紀行詩, 樂府詩는 부분적이긴 하지만 전체시에서 뺄 수 없을 만큼 중요하다. ... On the contrary, it is shallow in the
objective poem such as journeypoem or historical poem.