Clayton laid several important markers on the field at its inception.

Class and occupation are among the most important linguistic markers found in society.

Dress was an important marker of power and status.

Private chairs were an important marker of a person's status.

He described them as "an important marker of democracy."

And what more important marker is there than the day of one's birth.

And the tournament is often an important marker in people's lives.

The budget is an important marker for the vast political changes of the last few years.

The French decision puts down an important marker in this respect.

But he has begun by laying down a number of important, and sensible, markers.