1 : a pair of parallel rails providing a runway for wheels
2 : (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
3 : including by incorporating
4 : any artifact consisting of a road or path affording passage from one place to another
5 : a well-defined track or path; for e.g. swimmers or lines of traffic
6 : an open way (generally public) for travel or transportation
7 : a way or means to achieve something
8 : a journey or passage
9 : any road or path affording passage especially a rough one
10 : how a result is obtained or an end is achieved
11 : a formal statement of a command or injunction to do something