Meaning of “track” - Learner’s Dictionary

track

verb [ T ] uk us /træk/
FOLLOW

to follow a person or animal by looking for proof that they have been somewhere, or by using electronic equipment:

The wolves are tracked by using radio collars.
PROGRESS

to record the progress or development of something over a period:

The project tracks the effects of population growth on the area.

(Definition of “track verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)