make a note of

It shows the director instructing an onlooker to make a note of an issue he has noticed as he plays the game.

If they get defensive, elusive or both — make a note of it.

Next to each of your commitments, make a note of what happens if you don’t pay.

My accommodation is guarded 24-hours-a-day and the men outside make a note of when I leave and return - always under escort.

Also, every summer a field crew of researchers perform visual counts of all the musk oxen they find in the area and make a note of how many adults, males, females and calves they see.