This is the 17815th most frequent Korean word.
소희
"소희" is a Korean given name and does not have a specific meaning unless interpreted through the meanings of the characters used to write it (e.g., "소" and "희" in Hanja).
In this sentence, '소희' is used as a proper noun (a name) to denote a person who is performing the action of going to school.
소희가 학교에 갔어요.
Sohee went to school.
Here, '소희' is again used as a proper noun, representing the individual who is receiving the book in the sentence.
나는 소희에게 책을 주었어요.
I gave a book to Sohee.
In this sentence, '소희' serves as a proper noun in a possessive form, indicating that the painting belongs to Sohee.