Very little is known about the structure and composition of the group.

I am not talking about the composition of the Commission.

American officials have not been specific about the composition of such a "presence."

The town offers data about the cultural composition of its residents.

It always teaches me something new about my work and composition.

It was difficult to assess how the audience felt about the composition.

Very little is known about the composition of Earth's inner core.

This article is about the composition of the Earth's crust.

Also, can you recommend any great books about composition in photography?

"The lighting is pretty good, but I'm not sure about the overall composition."