She remained calm, cool, and collected during the crisis.

The collection agency contacted me about the overdue payment.

The collective farm was a common feature in the former Soviet Union.

Collective security is an important concept in international relations.

Collective bargaining is an important process for employers and labor unions to negotiate and reach agreements.

Collective leadership is a system of governance where power and decision-making are shared among a group of leaders.

The herd of elephants moved gracefully through the savannah.

The loan collection for the exhibition includes a variety of artworks.