Hello.
Poetry: a literary genre that reflects life and expresses emotions through rhythmic and rhymed language: poetry.
Ci: A Chinese poetry style (started in the Southern Dynasties, formed in the Tang Dynasty, and became popular in the Song Dynasty. It could have been sung to music, but later the music score was lost, and it was only created according to the rhythm of the lyrics): Ci poet. Lyric score. Word cards. Tone (diào). Word rhyme. Lyrics and music.
Qu: Singable lyrics, an art form: folk art. Quhua.
The melody of the song: tune (diào). sheet music. Different approaches but similar results. The song is high and few.
Ling: short word tune (diào), uncompleted tune in Sanqu (mostly used for word tune and tune name): Xiaoling. Like a dream.