noun
Refers to one's own daughter or someone else's daughter. Neutral and widely used.
私の娘は今年で10歳になります。
My daughter will be 10 years old this year.
彼の娘さんはとても親切ですね。
His daughter is very kind, isn't she?
noun
Used for a young, unmarried woman, often with a slightly old-fashioned or affectionate tone. In modern casual speech, 女の子 is more common for 'girl'.
あの娘はいつも笑顔で、感じがいい。
That young woman always has a smile and seems nice.
村の娘たちが祭りで踊りを披露した。
The young women of the village performed a dance at the festival.