Seo pays more attention to a certain one point. The Tanka is just wrong if there is not it with an essay. However, thing, there where a Japanese Tanka was not such a specification, might you catch a delay than other fields? The thoutht advances. ☆有名な歌人の短歌には気を遣い、必ず説明付きですが、そう有名でなければ、さしたる説明もなし、いい歌が見過ごされてきたのでは?と瀬尾は解釈します☆