The role of a head of government is to oversee the executive branch, implementing laws and policies within a political system. This position typically includes responsibilities such as setting the government agenda, managing public administration, and coordinating the execution of policies. In parliamentary systems, the head of government, often the prime minister, is accountable to the legislature and must maintain its confidence. This role involves not only leadership but also the ability to negotiate and build coalitions. In summary, the head of government serves as the key decision-maker and representative of the state, often influencing its direction and priorities.