The term 'Tram Cargo' refers to the transportation of goods by tram. Trams are a type of rail vehicle that runs on tracks and is powered by electricity. They are typically used for public transportation, but can also be used to transport cargo. The crossword solution for this term is ORE, which stands for 'Original Railway Equipment'. This refers to the original equipment used to transport goods by tram, such as wagons, carriages, and locomotives.