Liver function refers to the various processes and actions that the liver carries out in order to maintain overall health. The liver is a vital organ responsible for performing several important functions, including detoxification, protein synthesis, and metabolism regulation. It also plays a role in digestion, hormone production, and blood clotting. When referring to "liver function," it generally means the efficiency with which the liver performs these tasks, as well as its ability to maintain proper levels of enzymes and proteins necessary for overall health.