But then the concept of time was not as well developed, either.

The concept was developed in 1990, and construction began six years ago.

The concept of physical literacy has been developed over many years.

In the same year he developed the concept of the color sphere.

"We've been talking about it for a couple of years and developing the concept," he said.

The modern concept and understanding of family offices was developed in the 19th century.

Unable to develop a concept he was happy with, Brown took the game in a new direction.

Despite the completely successful results of the program, the Army chose not to develop the concept further.

But the nations have yet to develop a concept of coordination.

In the 20th century, however, few feminists created any organization to develop a concept or plan for such a society.