A more thorough explanation:

Definition: An itinerant vendor is a seller who travels from place to place selling goods.

For example, a food truck owner who moves from one location to another to sell their food is an itinerant vendor. Another example is a traveling salesperson who goes door-to-door selling products.

These examples illustrate the definition because they both involve a seller who does not have a fixed location and instead travels to different places to sell their goods.