A rapid transit rail transport system, or a train in such systems, generally underground and serving a metropolitan area.
An urban rapid transit rail transport system, normally with lighter track and light trains (i.e. an S-Bahn or similar), or a train in such systems.
A metropolitan area.
metropolitan
A slot available for allocation to a railway train over a given route in between other trains.
Pathology.
A method or direction of proceeding.
A sequence of vertices from one vertex to another using the arcs (edges). A path does not visit the same vertex more than once (unless it is a closed path, where only the first and the last vertex are the same).
A metaphorical course or route; progress.
A trail for the use of, or worn by, pedestrians.
A continuous map f from the unit interval I=[0,1] to a topological space X.
A course taken.
A Pagan tradition, for example witchcraft, Wicca, druidism, Heathenry.
A human-readable specification for a location within a hierarchical or tree-like structure, such as a file system or as part of a URL.
To navigate through a file system directory tree (to a desired file or folder).
To make a path in, or on (something), or for (someone).