Ever read a paper on discharge co-efficients of jets? Guess you didn't know jets stall either.........Do intake ports go into choke? Guess what so do the drillings in carbs.
Maybe go buy a book on carbs written by Walter B Larew titled "Carburetors and Carburetion" and read it. It's very thorough and goes through the physics by which they work and covers design and function. Maybe that's just too much science for you yeah......You know the **** you spout about at the bottom of every thread?