A mark left by something that has passed along. / A mark or impression left by the foot, either of man or animal. / The entire lower surface of the foot; said of birds, etc.

(transitive) To observe the (measured) state of a person or object over time. / (transitive) To monitor the movement of a person or object.

Mounted on tracks.

simple past tense and past participle of track

present participle of track

The act or process by which something is tracked. / (typography) A consistent adjustment of space between individual letters; letterspacing.

(idiomatic) Proceeding as planned, as expected, or in a manner consistent with an established pattern. / (idiomatic) On a well-defined promotion path in an organisation, usually tenure.

plural of tracking

(Australia) To associate or go out with.

present participle of track with