This concept is considered to be the "glass ceiling" effect.

The concept is considered by many to be one of the best on a rap album.

On the appeal of the parents, the concept was considered and realized.

However, the concepts of civilization and culture are not always considered interchangeable.

The concept of education rights for minorities had been considered controversial in the past.

The concept is considered a subjective view of cultural relativism.

The concept of limited liability, for instance, was not considered.

The concepts themselves could be considered design, in the sense that computer programs are.

This concept is considered to be an underlying assumption of Library 2.0.

The concept of a third alternative had simply never been considered before.