The first could be the case if the product you are selling to these "senior types" is quite pukka, meaning that a barrow boy isn't the right person to sell it.
So, there were coffee shacks and carts like these sort of little street carts that you get still in London, and you get all over New York, that is a cheap, quick drinks to perk you up.
We view this network as encompassing all foods, foods that might you get at the grocery store or the deli or the food vendor who selling things out of a cart.
Biker Jim's Gourmet Dogs started as a hot dog cart outside of the Colorado Rockies' baseball stadium in 2005. Today, they have a restaurant, two locations in Coors Field, and five street carts.