Taken literally marketing is the practice of getting a product to market.
In the context of corn in the 1700s that would include:
Today most of those activities would be product, sales and operations.
Maybe they shouldn’t be?
Take a drink…
There’s something interesting in the idea that we refer to “a train” as an independent entity, when it’s really a collective noun (a set of things formed into a line).
By extension: when you board a carriage, you’re not just riding the train, you’re in the line. You’ve become the train.