It is said that the guy in LS seems to pay great attention to rhyming quatrains and metrical poems ~ ~, which belong to modern poetry and began to rise in the Tang Dynasty, but it was an ancient poem before, which didn't rhyme very well, such as Li Bai's "Difficult Road to Shu", "Entering Wine" and "Climbing Mount Tianmu in a Dream".
The words in Yuanqu are similar to the words, but the scope of Yuanqu is relatively wide. Most of the words are about love between men and women. Of course, there are also some bold and patriotic people, but Yuanqu and Ci are all sung, and there is no format restriction.