So when do you think the world will find peace?
I want to live in a safe and harmonious community.
Why does everyone in Japan use the peace sign in pictures?
The flat peace. This is a peace that will last, because there's no waves... no ripples... just flat. This is plain old peace.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.