noun, na-adjective, noun which may take the genitive case particle 'no'
world peace; peace throughout the land
Literary or formal expression for a state of universal peace, often used in historical or idealistic contexts. As a yojijukugo, it carries a classical, somewhat grand tone.
The Edo period is said to have been an era of peace throughout the land.
The wish for world peace remains the same now as in the past.
na-adjective, noun which may take the genitive case particle 'no', noun
Describes a person's easygoing, untroubled state of mind, often implying a lack of awareness of real problems. Can be used humorously or critically. More colloquial than sense 1.
He always has a carefree look on his face.
Even though exams are coming up, he's totally relaxed and just playing around.