What is "Chavol"?
Rashi: It is a security that I commanded to return it "k'Vo ha'Shemesh" (Devarim 24:13, i.e. one must return a night garment before nightfall).
Why does it say "Yashiv" and "Yeshalem"?
Malbim: "Yashiv" is returning the stolen object. Sometimes it suffices to pay its value ("Yeshalem"), e.g. he stole a beam and built it into his building 1 .
Gitin 55a: Chachamim enacted that it suffices to pay its value. (Why didn't Malbim give a case in which mid'Oraisa, money suffices, e.g. the stolen object was changed? ? PF)
What are "Chukos ha'Chayim"?
Malbim: They are Chukim (Mitzvos Bein Adam la'Makom) via which he will live in the world to come.