Bone fractures, cut marks and burned bones reflect human activity.

The device senses fluid waves within the body that reflect physical activity.

Of all new technologies, computer programs reflect real productive activity.

Young women are most often affected, probably reflecting sexual activity in that age group.

The expression of some anatomical marker is taken to reflect neural activity.

Since these are police figures they are just as likely to reflect enforcement rather than actual activity.

These do not reflect activity from the eyes individually, but between them the two channels will record an eye movement in any direction.

Across the region, surveys by real estate companies and housing analysts reflect sharply increased activity in recent months.

"These numbers reflect economic activity as it was two and three and four months ago," he said.

The figures reflect not only less activity, but also lower prices for companies.