The Difference Between the Option of Defect and the Option of Deception

Question:
He says: Honorable Shaykh, may Allah grant you success, what is the difference between the option of defect and the option of deception? And is there a relationship of generality and specificity between defect and deception, since the jurists mentioned that deception is the concealment of a defect?

Answer:
Deception occurs through embellishment and beautification, and displaying the merchandise in a false appearance. As for a defect, it does not necessarily involve deception. It may be a hidden defect that they were unaware of, and there was no indication of it, and the person did not know about the defect; it is a hidden defect. There is a difference between deception and a defect. Deception is intentionally concealing the defect and displaying the merchandise as if it were sound when it is not. As for the option of defect, the defect may be unknown; neither the seller nor the buyer knows about it, and then it becomes apparent. How? Yes.