The crossword solution for the term 'Jam Maker' is 'TRAFFIC'. TRAFFIC is a term used to describe the movement of people, goods, or vehicles from one place to another. It is also used to refer to the number of people, goods, or vehicles that move from one place to another in a given period of time. In the context of a Jam Maker, TRAFFIC would refer to the number of customers that visit the jam maker's shop or website.