Sales representative and Travelling salesman

Sales representative noun - A person employed to represent a business and to sell its merchandise (as to customers in a store or to customers who are visited).

Travelling salesman and sales representative are semantically related. In some cases you can use "Travelling salesman" instead a noun phrase "Sales representative".

Travelling salesman noun - A salesman who travels to call on customers.

Sales representative and travelling salesman are semantically related. You can use "Sales representative" instead a noun phrase "Travelling salesman".