In using this term, Paul was alluding to a very specific area of conduct, that of sexual morality.
وَعِنْدَمَا ٱسْتَخْدَمَ بُولُسُ هذِهِ ٱلْكَلِمَةَ كَانَ يُشَيرُ إِلَى نَاحِيَةٍ مُحَدَّدَةٍ مِنَ ٱلسُّلُوكِ ،‏ وَهِيَ ٱلْآدَابُ ٱلْجِنْسِيَّةُ .‏