OK, small point here, but it’s almost certain he meant “parameters of a deal,” but he can’t spell and is very dumb, so he used “perimeters of a deal” and news orgs are just running with it like that’s a perfectly normal thing to say, which it absolutely is not. That’s not a thing anybody says.
NBC NewsBREAKING: Trump pauses attacks on Iran, citing “perimeters of a deal” that would end Tehran’s “nuclear threat” and reopen the Strait of Hormuz.