The validity of product measures as the sole form of evaluation can be considered at a number of levels.

The bones underlying sole form the arches of the foot.

This script uses ſ as the sole form for s, even at the end of words.

The anthrax attacks are not the sole form of terror that has kept federal authorities at a high state of alert.

More than her currency in the world, it became her sole form of security.

However, it is not the sole form of battle featured in the games.

Some use them as their sole form of advertising.

For years, the trusty seat belt provided the sole form of passive restraint in our cars.

I do not know whether you will understand this, but the emotions on her face were her sole form of communication.

Country boats remain the sole form of transport to and from the village during the rains.