Parliamentary refers to a system of governance where the executive branch derives its legitimacy from the legislature (parliament) and is accountable to it. In this system, the head of government, often called the Prime Minister, is typically a member of the parliament and is elected by fellow members, reflecting the will of the electorate. This structure promotes collaboration between the legislative and executive branches, allowing for more cohesive policy-making. Countries like United Kingdom and Canada exemplify parliamentary systems, where the parliament plays a crucial role in shaping laws and overseeing the government’s actions.