(1) A designation, descriptive and routing code to cover various types of freight cars, and (2) the sorting process itself where cars are made into trains
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}