The term usually relates to materials produced by human activity, and the process is generally undertaken to reduce their effect on health, the environment or aesthetics.

In the pre-industrial economies wage labor was generally undertaken only by those with little or no land of their own.

This fast is generally undertaken by the women.

Tīrtha-yātrā refers to a pilgrimage to a holy site, and is generally undertaken in groups.

Offshore and remote area exploration is generally only undertaken by very large corporations or national governments.

Generally undertaken with the hands or body.

Involuntary treatment is generally undertaken at the behest of family members.

When applied to cultural heritage this activity is generally undertaken by a conservator-restorer.

The education of lawyers in the United States is generally undertaken through a law school program.

It was undertaken generally by people who had experienced personal misfortune.