A major concept of the series is the influence the past has on the present and the future.

The acquisition of major concepts of the game comes slowly.

He knew what was running through his head was nothing less than a major life-changing concept.

There's one major electrical concept left that we haven't discussed: grounding.

In the sense of responsibility for the Genocide the issue can be separated into 2 major concepts: personal and state.

The Walsh bidding method detailed below will have some impact on our 5-card major concept.

This is a major concept which he tries to communicate through his art.

It's only in the last few decades that the idea of natural selection has been a major organizing concept.

A major concept used in the series was the idea of a running clock.

Descent, like family systems, is one of the major concepts of anthropology.