This document outlines key topics related to nursing theory including definitions, historical perspectives, terminology used in theory development, types of nursing theories, a framework for analyzing theories, and the significance of nursing theories. It discusses nursing as both a discipline and a profession. Nursing theories are important as they provide frameworks to structure curriculum and guide nursing practice. Theories also contribute to the development of nursing science and help establish nursing as a true profession. Major nursing theorists like Nightingale, Henderson, Abdellah, and Orem are also briefly discussed.