Poetry is the general name of poetry, a style.
Words: lyrics
Usually used as lyrics, line is often used in movies and plays, and word can also refer to words.
Music: songs, drama, music,
Tune (tune)
These words are commonly used, but certain words will be chosen under certain circumstances. (as the case may be)
Just like Chinese, poetry and music can be divided into many situations if subdivided.
The above is for your reference. If you disagree, you can learn from each other.