I am currently creating a traveling merchant character as both my player's background and his profession (adventuring as a ranger class). In the 5e handbook, it states that the merchant variant of the artisan background can start off with a cart and mule, which painted a picture in my mind of me sitting at the helm of a wooden box on wheels, with a rounded tarp hiding all that was behind me.
As I looked for clarification on how much I can hold and how big it was (to see if I could carry my party and my wears) I came across a topic on this site that shed doubt on my vision. "What is the cargo capacity of a Cart versus a Wagon?" brought a realization that there are both carts and wagons in the manual and I am unsure as to which is which.
Upon further search, I came across hints like limitations on how many animals can pull it, and how they become immovable when they hit their weight capacity, but nothing that I could use to differentiate the two. That said, I have known of many kinds of carts and wagons, often having little or no defining features between them. And with no images or dimensions listed in the book, I am left wondering if I should upgrade or not.
So before I continue to spin my wheels, I would like to request the wisdom of this community to help me differentiate what makes a cart and what makes a wagon.
(size, features, uses, etc)