Difference between parents and son in Korean
부모·아들

부모parents
"Parents" means your mother and father together. In Korean, 부모 can talk about your own parents or someone else’s parents. It is often used when speaking about family, home, school, and daily life.

아들son
The word "아들" means "son," or a male child in a family. You use it when talking about your own son or someone else’s son in everyday life. It is a common family word and often appears when introducing family members.
The difference
아들 means a male child in the family. 부모 means the people who are the mother and father.