Hi, the language is Italian and it should be written correctly as "Buongiorno, principessa".
This means "Good morning, princess" :)
The central idea is what the main thing. For this, I think the central idea is simply Cactuses.
I'm not sure what another supporting detail can be, but if there's a back side, or another page about cactuses, I can sure help! But if that's the only side, ask your parents. xD
Answer:
The small ship
The curved moon and the small ship,
Both ends of the small ship are pointed.
Sitting in the small ship,
I can only see the twinkling stars and the blue sky.
Explanation:
This is a Chinese nursery rhyme
Answer:
what are you asking about for the question