David's care of Mephibosheth embodies God's character of loving-kindness. He gives a model for care and inclusion of those with disabilities. We catch a glimpse of what the Kingdom of God looks like.
Jesus is king David's long awaited son, his kingdom is the everlasting kingdom promised in 2 Samuel 7.
David becomes king, makes Jerusalem his capital and brings the ark of the covenant to Jerusalem, but all is not well as he has presumed to treat God how he likes, rather than follow God's word, and at home he faces domestic conflict.
David lament at the loss of his friend Jonathan offers a window into the common experience of grief and loss.