Meaning of the word "under the sun" in English

What does "under the sun" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

under the sun

US /ˈʌndər ðə sʌn/
UK /ˈʌndə ðə sʌn/
"under the sun" picture

Idiom

in the world; on earth (used for emphasis)

Example:
What under the sun are you doing?
It's the most beautiful place under the sun.