It depends on which type of leaf, but I'll try to show you a simple one. I found this picture, I hope it's useful.
Pencil Tool - Dots (Circle Shapes) and Pencil Tool - Bezier (Freehand)
(i hope this is correct lol)
I might be wrong but this might be it
1. fundamental elements
2. music notation
3. these elements
4. music scores
5. melody, harmony, and rhythm
6. melody
7. the element that holds the music together
8. into music notation altogether
9. it's harmony and rhythm that are combined into melody that create the song without lyrics.
I tried my very best to figure it out. Sorry if it is wrong.