But when he used signs, there seemed to be some understanding.

Prior to 1955 the city used blue and gold triangular signs.

If it's so important, why do they use signs?

They often use signs with the number of the player coming off and the player going on the field.

In the third, the humans start using signs and develop logic.

She used signs to indicate that four days would be the maximum.

"I'm going to use signs today to answer these questions," he said.

Many animals use signs and sounds to communicate with each other.

Paint is a very good way to give important information to people, using painted signs.

There must be no talking, and you will use signs.