Each slider that appears on the screen represents the maximum amount your Empire can transport of a single commodity. As new commodities are connected, more sliders appear on the screen. Place your mouse cursor over a commodity icon. the text in the upper right corner of the screen lets you know what that commodity is, and how much of it you have in your warehouse .
The scroll on the left side of the screen displays the demands of your industrial workers. At the beginning of the game, these demands are for food. Later, when some of your workers are more highly trained, they will demand consumer goods represented as refined sugar, cigars, and fur hats.
You can compare the amount of a commodity being demanded with the amount you are transporting on this screen. A transport shortage may not be an immediate problem if your warehouse has a plentiful surplus. Additionally, consumer good demands may be met by industrial production and trade as well as transport.
The scroll on the right side displays the number of cargo hold in your entire fleet and breaks these down according to whether they are assigned to sea transport on this screen, available for trading, or outside the home port as part of the navy.
