The executive branch is one of the three branches of government, which are central to the institutional design of a constitution. The allocation of powers and the interrelation between the three branches of government—the executive, the legislature, and the judiciary—are key elements of such a structure. Watch our A Practical Guide to Constitution Building: The Design of the Executive Branch (Part 3), the final part. This part highlights institutional design options for checks and balances in a democracy to control executive powers.