Possible meanings are 1) Paul has received everything that the Philippians sent or 2) Paul is using humor to continue the business metaphor from [Philippians 3:8](../03/08.md) and saying that this part of the letter is a receipt for commercial goods that Epaphroditus delivered.
Paul speaks of the gift from the Philippian church as if it were a sacrifice offered to God on an altar. Paul implies that the church's gift is very pleasing to God, like the sacrifices that the priests burned, which had a smell that pleased God. AT: "I assure you these gifts are very pleasing to God, like an acceptable sacrifice" (See: [[rc://en/ta/man/translate/figs-metaphor]])
This is the same word translated "have been well-supplied" in verse 18. It is an idiom meaning "will provide everything you need" (See: [[rc://en/ta/man/translate/figs-idiom]])