"I ran into a guy," he said, and realized that those particular words hadn't required him to move his jaw or mouth.

His words fell heavily in the room and required no elaboration.

No words required, I knew whatever she wanted me to know.

"You may think as you choose, but words require payment."

He spoke slowly, as if each word required a tremendous expense of energy.

To keep a balance, the printed word - the book, the newspaper and other reading matter - now requires support to raise people's awareness.

This, more than anything else, had told her that Duque's words required another interpretation.

The next word requires study; she wants it to refer to something important.

So for a word to be understood "requires that it form a context with further experiences" (210).

Speech production is a slower procedure in the beginning since creating words requires more effort.