Humans engage in continuous communication and interchange among themselves and their environments to remain alive and to function.
In humans, the power to act deliberately is exercised to identify needs and to make needed judgments.
Mature human beings experience privations in the form of action in care of self and others involving making life-sustaining and function-regulating actions.
Human agency is exercised in discovering, developing, and transmitting to others ways and means to identify needs for, and make inputs into, self and others.
Finally, groups of human beings with structured relationships cluster tasks and allocate responsibilities for providing care to group members who experience privations for making required deliberate decisions about self and others (Orem, 1995).