[7] "Did not return": The raven did not return into the ark; but (as it may be gathered from the Hebrew) went to and fro; sometimes going to the mountains, where it found carcasses to feed on: and other times returning, to rest upon the top of the ark.
[20] "Holocausts": or whole burnt offerings. In which the whole victim was consumed by fire upon God's altar, and no part was reserved for the use of priest or people.
[21] "Smelled": A figurative expression, denoting that God was well pleased with the sacrifices which his servant offered.