[4:21] 1 sn Salmon appears to be an alternate spelling of Salmah in the preceding line.
[4:22] 2 sn The theological message of the Book of Ruth may be summarized as follows: God cares for needy people like Naomi and Ruth; he is their ally in this chaotic world. He richly rewards people like Ruth and Boaz who demonstrate sacrificial love and in so doing become his instruments in helping the needy. God’s rewards for those who sacrificially love others sometimes exceed their wildest imagination and transcend their lifetime.