They labeled the briefcase IDEAS so you’d stop asking what’s in it.
Shot like a film noir, which tracks. A man in a hat hands a briefcase to a suit in a marble corridor with the Capitol dome visible at the end. Another figure walks away in the background, presumably carrying his own briefcase to the next office. The word on the leather is doing heavy lifting. If it said CASH the composition would be identical and nobody would be confused. They put the quiet part right on the handle, in block letters, and called it democracy.