[selected_node] | element/part | 
+-greeting | text/plain | Hello World!
| :-position | number/integer | 5,2
| :-size | number/integer | 20,1
| :-foreground | colour/terminal | yellow
| :-background | colour/terminal | blue
| :-underline | logicvalue/boolean | true
+-cursor | text/plain | 
| :-position | number/integer | 0,5