Sure.
I guess I'll start with something, and then I'll get to the prohibited goods issue.
In section 101 of the Customs Act it mentions three specific terms, “prohibits, controls or regulates”. So one would be prohibited, one would be controlled, and the other term is “regulated”. When it comes to a particular item, such as a restricted or prohibited firearm, that would be prohibited from import unless the persons importing the item met certain criteria. You may have certain types of drugs—