This is the 290th most frequent Japanese word.
和
Harmony; peace; Japanese style.
The word '和' is used to signify harmony and is part of the concept of peace.
和は平和の象徴です。
Harmony is a symbol of peace.
'和' here refers to traditional Japanese style or taste.
日本料理には和の味があります。
Japanese cuisine has a taste of harmony.
In this context, '和' means the mathematical sum.