An allegory is a literary device used to tell stories on two levels: the literal and the figurative. The literal level is the plot, characters and setting. The figurative level is what these elements represent.
Theory is defined as a belief, policy, or procedure proposed or followed as the basis of action. Nursing theory is an organized framework of concepts and purposes designed to guide the practice of nursing.The first nursing theories appeared in the late 1800s when a strong emphasis was placed on nursing education.ursing Theory and the Nursing Process The nursing process is a scientific method used to ensure quality patient care that was first described in the 1950s and encompassed three steps.
Theories from Nursing or Other Disciplines. 1  Nursing science is blend of knowledge that is unique to nursing and knowledge that is borrowed from other disciplines. 2  Debate is whether the use of borrowed theory has hindered the development of the discipline.