keep track of something/someone

keep track of something/someone

COMMON If you keep track of something or someone, you make sure that you have accurate information about them all the time. I could never keep track of all the visitors to the mansion. The ability to keep track of time is important for this activity. Note: You can also just say keep track. The financial situation is so confusing it is difficult to keep track sometimes.
See also: keep, of, something, track