Product software implementation method result in ambiguity when questions arise in the execution of the implementation process. On the other hand methods can be used as a profession, meaning that the method should be taken strict and the usage of the method should be a profession, instead of a guiding principle. This view is very useful if the implementation process is very complex and is very dependent on exact and precise acting. Organizational and quality management will embrace this view, as a strict usage of any method results in more clarity on organizational level. Change management however might indicate that more flexibility in an
Profession professions involve technical, specialized and highly skilled work often referred to as ""professional expertise."" Training for this work involves obtaining degrees and professional qualifications (see Licensure) without which entry to the profession is barred (occupational closure). Updating skills through continuing education is required through training. All professions have power. This power is used to control its own members, and also its area of expertise and interests. A profession tends to dominate, police and protect its area of expertise and the conduct of its members, and exercises a dominating influence over its entire field which means that professions can act monopolist,