The chief functions of leaves are to make food for plants and to free them of excess moisture.

The chief function of lactation is to provide nutrition and immune protection to the young after birth.

The chief function of election campaigns is to convince us that politics and politicians are still important.

His chief functions are to spread gossip and deliver letters.

The chief function of Congress is the making of laws.

As currently utilized, a pro bono website has two chief functions.

The chief functions at court were undertaken by members of the higher nobility, involving much contact with the royal ladies.

Science's chief function is to create stories about the world consonant with dominant social and political values.

Our chief function is to investigate all matters pertaining to the mystery of the Skyway.

The chief function of the Senate was to serve as the king's council and be his legislative coordinator.