What does 1 Kings 1:3 mean?

So they searched all over Israel for a beautiful young woman. They found Abishag from Shunem and brought her to the king. 1 Kings 1:3 - Modern Text Bible

(David's attendants are looking for someone to care for the aging king. Abishag is chosen for her beauty and youth, which was seen as a way to help revive David's strength.)