The term 'RAILWAY LINE' can be broken down into two words: 'RAILWAY' and 'LINE'. The word 'RAILWAY' is defined as a system of tracks, usually consisting of two parallel lines, for the movement of trains. The word 'LINE' is defined as a continuous mark, connecting two or more points. Together, the two words form the term 'RAILWAY LINE', which is a TRACK or route that is used by trains to travel from one place to another. The crossword solution for this term is 'TRACK', which is a strip of prepared ground or paved area along which a train, tram, or other vehicle travels.