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.

Collective security is an important concept in international relations.

I had to call collect because I didn't have any money.

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

I had to phone collect to make a long-distance call.

The collection agency contacted me about the overdue payment.

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