MOC can refer to different things depending on the context. Here are some of the most common meanings of MOC:

• Management of Change: MOC is a process used by companies to ensure that environmental, health, and safety risks are carefully evaluated and controlled prior to implementing significant changes. The MOC process is used to identify potential new hazards that could result from changes to facilities, technology, equipment, procedures, or how chemicals are processed. The MOC process should be conducted in a systemic way, and many companies now use software-based programs to guide them throughout the MOC process.

• Maintenance of Certification: MOC is a program that physicians need to complete to become board certified by one of 24 medical specialty boards. MOC includes assessment, educational, and practice improvement activities that physicians need to complete to maintain their certification. Some physicians support MOC because they feel it improves physician knowledge and demonstrates a commitment to lifelong learning, while others criticize it because they feel it is expensive, burdensome, and not relevant to their daily practice.

• My Own Creation: MOC is an acronym for "My Own Creation" and is used in the LEGO community to refer to creations that have been designed and built by LEGO fans using original LEGO bricks. These creations or MOCs serve as proof that with imagination and a few LEGO bricks, you can build anything! LEGO encourages and inspires people to use the parts in completely new and different ways.

• Masculine of Center: MOC is an acronym that means "masculine of center" and refers mostly to lesbians and trans men and women who tilt toward the masculine side of the gender spectrum.

• Management of Care: MOC can also refer to "Management of Care," which is a process used in healthcare to ensure that patients receive the appropriate care at the right time and in the right setting. The goal of MOC is to improve patient outcomes and reduce healthcare costs by coordinating care across different providers and settings.

In summary, MOC can refer to different things depending on the context, such as Management of Change, Maintenance of Certification, My Own Creation, Masculine of Center, or Management of Care.