Verse 37: Recap of the offerings
The verse identifies the preceding material as “the law” for multiple offerings and lists them in a compressed sequence (burnt, grain, sin, guilt, ordination/consecration, and peace offerings), functioning like a summary index.
Verse 38: Origin, place, and audience
The verse ties the collection to what Moses at , and it specifies the recipients (“the sons of Israel”) and the wilderness setting, linking the regulations to the camp period rather than a later settled context.