1)
What did Yisro mean when he advised Moshe to warn the people about the Chukim and the Toros?
1.
Ramban: To issue them with a strict warning about keeping the Mitzvos and about the punishments that are due for not keeping them.
2)
What are all the seemingly vague statements ("ve'Hoda'ata La'hem Es ha'Derech... ") referring to?
1.
Targum Yonasan: "ve'Hoda'ata La'hem "- refers to Davening in Shul; "Es ha'Derech - to visit the sick; "Yeilchu Bah" - to bury the dead and to perform Chesed; "ve'Es ha'Ma'aseh" - to carry out Din; "Asher Ya'asun" - to go Lifnim mi'Shuras ha'Din" with the Resha'im.
2.
Bava Kama (99a): "ve'Hoda'ata La'hem" as 'Zeh Beis Chayeihem'; 1 "Es ha'Derech"
