What does Numbers 15:3 mean?

and will make an offering by fire unto Jehovah, a burnt-offering, or a sacrifice, to accomplish a vow, or as a freewill-offering, or in your set feasts, to make a sweet savor unto Jehovah, of the herd, or of the flock;

And will make an offering by fire unto the Lord, a burnt offering, or a sacrifice in performing a vow, or in a freewill offering, or in your solemn feasts, to make a sweet savour unto the Lord, of the herd, or of the flock:

and will make an offering by fire unto Jehovah, a burnt-offering, or a sacrifice, to accomplish a vow, or as a freewill-offering, or in your set feasts, to make a sweet savor unto Jehovah, of the herd, or of the flock;

And are going to make an offering by fire to the Lord, a burned offering or an offering in connection with an oath, or an offering freely given, or at your regular feasts, an offering for a sweet smell to the Lord, from the herd or the flock:

then ye have prepared a fire-offering to Jehovah, a burnt-offering, or a sacrifice, at separating a vow or free-will-offering, or in your appointed things, to make a sweet fragrance to Jehovah, out of the herd, or out of the flock.

And shall make an offering to the Lord, for a holocaust, or a victim, paying your vows, or voluntarily offering gifts, or in your solemnities burning a sweet savour unto the Lord, of oxen or of sheep:

and will make an offering by fire to Jehovah, a burnt-offering or a sacrifice for the performance of a vow, or as a voluntary offering, or in your set feasts, to make a sweet odour to Jehovah, of the herd or of the flock,