This article identifies a series of patterns in the book of Ruth, which starts out with a host of "lacks," all of which are filled in the course of the book. The book indicates, however, that the author was concerned with God's dealings with Israel as a whole, and not just the individuals in the story.
Chapter 2 gives an exposition of Ruth 1. The focus of the chapter is on how the Lord acted to accomplish his purpose through one family.
Chapter 1 is a popular exposition of the background of the book of Ruth. The main theme addressed is the futility of life. At the end of the chapter are a number of study questions.
This article considers the translation of Ruth 4:5.