Answer:
1. The portion doesn't give explicit data about the salt exchange or its importance. It is by all accounts fragmented, zeroing in on the nearness of water without enumerating the salt exchange.
2. The data gave does exclude Ibn Battuta's portrayal of Taghaza or his sentiments about it. Without additional background info, mentioning explicit objective facts about his viewpoint on the location is testing.
3. The selection doesn't offer a depiction of the desert or make sense of its depiction by the creator. Extra subtleties are expected to dissect why the depiction of the desert may be significant with regards to the text.