It tracks movement 24 hours a day, including sleep patterns.

Noise levels are high but the resistance to track movement is very good.

He tracked the car's movements without looking directly at it.

Perhaps that will at least make it easier to track his movements.

We have men tracking their movements from a close distance.

And still it was coming closer, as if tracking his movements.

The Israelis track this boy's movements all the time, looking for a clear shot at him.

Since it was a good bet he hadn't walked, she might be able to track his movements.

This device tracked his movements 24 hours a day for four weeks.

None remained that they could use to track their opponents' movements.