Part 1.While it is true that not all changes can lead to some improvements, all improvements often require an element of change. It is crucial to take into account the importance of developing the capacity to test and implement changes in order to fully realize the potential of an individual, group or even organisation. Changes are usually developed from a minimum number of change concepts. A change concept is simply a certain approach or notion that employers find as a useful tool for creating specific ideas or changes in an organization that in turn help improve employee efficiency. The term “fit” in an organization has long been defined in two distinct ways. The main types are person-job fit and person-employee fit. Person-job fit refers to the process of using assessment tools when recruiting employees and often includes their specialties, cognitive abilities, and even examining an individual's personality traits. The person-organization fit that forms the basis for this discussion is an equally useful concept that has been used over time to cr...