The extensive use of the word transition in nursing literature indicates that it is an important concept (Ralik, Visentin, Van Loon, 2006). It is essential that nurses have knowledge and understanding of transition. The purpose of this article is to provide a comprehensive review and explore key definitions and elements of the concept of transition and to show how gaining knowledge about transition can positively impact client care and nursing profession. Understanding transition will help improve client care by teaching nurses how to assess and facilitate transition and develop health promotion initiatives. Ultimately, the goal is to achieve better outcomes for transitioning clients. Continuing research and education benefits the nursing profession because gaining knowledge and a better understanding of transition helps guide the underlying standards that help nurses stay current and consistent in the delivery of their care. Defining transition There are several definitions and interpretations of transition. According to Ralik, Visentin and Van Loon, its meaning changes depending on the context in which it is used (2006). A common definition of transition in a significant portion of the nursing literature is that it is the passage or movement from one life phase, condition, or status to another. It is about movement and adaptation to change, rather than a return to a pre-existing state. Part of the literature develops this definition, affirming that transition is not only a passage or a movement but also a time of reorientation or inner transformation. Kralik, Visentin, and Van Loon assert that transition involves psychological processes through movement and adaptation (2006). There are different types...... middle of article ......k. St. Louis, MO: Elsevier. Kralik, D., Visentin, K. and Van Loon, A. (2006). Transition: a literature review. Journal of Advanced Nursing, 55(3), 320-329. doi:10.1111/j.1365-2648.2006.03899.xMeleis, A., Sawyer, L., Im, E., Messias, D., & Schumacher, K. (2000). Experiencing transitions: An emerging middle-range theory. Advances in Nursing, 23(1), 12-28.Meleis, Afaf Ibrahim. Transitions theory: Mid-range and situation-specific theories in nursing research and practice. New York: Springer Publishing, 2010. Schumacher, K. and Meleis, A. (1994). Transitions: a central concept in nursing. Image: Journal Of Nursing Scholarship, 26(2), 119-127.Sparud-Lundin, C., Öhrn, I. and Danielson, E. (2010). Redefining relationships and identity among young adults with type 1 diabetes. Journal of Advanced Nursing, 66(1), 128-138. doi:10.1111/j.1365-2648.2009.05166.x