I will always write my novels and books in pencil because that is a necessary function for me.

He portrayed art as a necessary function of the human mind, and considered it collaborative activity.

That meant the only necessary function was to provide information about Guards and their experiences.

It was a necessary function of life in the wilderness.

He saw knowledge as a necessary, but mechanical, function of the mind.

This provides services that will help to maintain a person's ability to carry out necessary daily functions, like personal care and getting around.

The system itself can be described as a set of functions necessary for the overall purpose.

The test of a task description is: does it indicate a necessary function within the system performance?

The wife's benefit today performs exactly the same necessary function as it did in the 1930s.

It was by now well recognized as an appropriate, even necessary, function or organ of the party.