This is the 843rd most frequent Chinese word.
儿子
Son.
Here, '儿子' is used to denote offspring, specifically the male child of the subject.
我的儿子正在学校学习。
My son is studying at school.
'儿子' is used metaphorically to represent a young man or male person from a particular community.
他是村里最聪明的儿子。
He is the smartest son in the village.
In this usage, '儿子' refers universally to the concept of a mother-son relationship.