The term 'FINAL PRECURSOR' can be broken down into two words: 'FINAL' and 'PRECURSOR'. The word 'FINAL' is defined as the last in a series of events, while 'PRECURSOR' is defined as something that precedes or indicates the approach of something else. In this case, the crossword solution for the term 'FINAL PRECURSOR' is 'SEMI', which stands for SEMI-trailer truck. A SEMI-trailer truck is a large vehicle used to transport goods from one place to another. It consists of a tractor unit and one or more trailers, which are connected together by a fifth wheel coupling. The SEMI-trailer truck is the FINAL PRECURSOR in the transportation of goods, as it is the last vehicle to transport the goods before they reach their destination.