This is the 12596th most frequent Korean word.
대소
"대소" means "big and small" or "large and small."
In this sentence, '대소' refers to upper and lower (letters), describing a characteristic distinction.
대소문자를 구별해서 작성해야 합니다.
You need to write distinguishing between uppercase and lowercase letters.
Here, '대소' signifies big and small (matters), indicating events of varying importance.
인생의 대소사를 함께 겪어온 친구들.
Friends who have shared major and minor events of life together.
In this context, '대소' relates to size classifications (big and small) of the shirts.