The phrase "a system that tracks" is correct and usable in written English.
You can use it when describing a system designed to monitor or record specific data or activities.
Example: "We have implemented a system that tracks employee attendance to improve our workforce management."
Alternatives: "a system that monitors" or "a system that records".
Most nonscientists are familiar with Doppler radar as a system that tracks precipitation and excites television meteorologists.
To ease that problem, three inventors at AT&T have won a patent for a system that tracks down a call recipient.
The result is Media Cloud, a system that tracks hundreds of newspapers and thousands of Web sites and blogs, and archives the information in a searchable form.
This had landed their parents on a national blacklist, a system that tracks "untrustworthy persons" based on their failure to honor court decisions, such as to repay debts.
Therefore, having a system that tracks these price changes in real time can save customers a significant amount of money, he says.
Janet Elder, the editor of news surveys and election analysis for The Times, said the newspaper had spent two years creating a system that tracks and verifies e-book sales.
We wrote a system that tracked the daily sales of a major telecommunications company.
The media giant hopes to avoid the controversy that engulfed BT when it employed a system that tracked the internet habits of its customers in order to target them with relevant advertising.
For several months Nordstrom tested a system that tracked the movements of people carrying Wi-Fi-enabled smartphones and other devices as they wandered through 17 of its stores or merely walked by.
The digital communications specialist's revelations have enabled the international press, including the Washington Post, the Guardian and Der Spiegel, to shine a light on a surveillance system that tracks tens of millions of citizens, Europeans among them.
Hence, a logistics system needs a control system that tracks the goods as they move from place to place to ensure that some do not disappear.
