Cows, grain, the Nile and a swamp; what do all of the details mean?
Why does Yosef give advice when he's been asked to interpret?
What actually is Yosef's advice?
Why does dream interpretation qualify Yosef to run a large country and oversee its economy?
Where did they look for him and why?
Why are they accused of being spies?
How does their reply -- "we are brothers" -- resolve Yosef's accusation?