A time when she'd believed that there was a clear demarcation between the good guys and the bad guys.

Sure, people might have felt frustrated at times, but at least there was a clear demarcation to signal when they were off duty.

But those who prefer a clear demarcation line between job and family may struggle to establish boundaries when both are in the same location.

OCT-detected layered pattern was defined as plaque with a superficial layer that had a different optical intensity and a clear demarcation from underlying tissue.

The canyon widened; there was a clear demarcation where the red walls gave place to yellow; the brook showed no outlet from its subterranean channel.

Conclusions: Clear demarcation of surgical resection can facilitate easy and thorough resection of preauricular fistula and lead to low recurrence rate.