Concept:Hadith 4 of An-Nawawi focuses on the stages of human creation in the mother’s womb.Explanation:The hadith states that a person’s creation is gathered in the mother’s womb for forty days as a drop, then as a clot, then as a lump of flesh.It also mentions that an angel is sent to breathe the spirit into the foetus and to write down four matters.Therefore, the hadith is about the complete nature of man’s creation.Answer:A. nature of man’s creation