Lists are complementary to categories. They must be maintained by hand (though the use of templates may simplify that) but they can be arranged and grouped in more depth than categories can.
“Facilities are the "Central Focus" of the game and allow you to create new items using your...Facilities
“Farmers make money and gain experience by planting seeds and selling their harvest. They can...Seeds
“A farmer gains experience from plowing, planting, or purchasing and advances through the Levels...Levels
“These ingredients are either transported to your farm by the Semi-Trailer Truck, produced by...Ingredients