The legislative branch creates laws, the executive does not. The legislative also controls the budget of the executive branch.
Legislature can exercise the functions of executive but executive cannot exercise legislature functions. T.S.V. Diwakar Advocate & Arbitrator
If I'm not mistaken, the three organ of the state are the legislature, the executive and the judiciary.
In a parliamentary system, the legislature is responsible for electing the executive, typically through a vote of confidence in the prime minister. In contrast, in a presidential system, the executive is elected separately from the legislature by the public, ensuring that the executive does not depend on legislative support for their election. Thus, the presidential system is an example where the legislature is not responsible for electing the executive.
The chief executive in a parliament government must answer the legislature for all the actions and policies it makes.
== == Bicameral
The legislature can check the power of the chief executive or president by overriding, approving and impeaching.
A chief legislature is often known as a president. Their role is to be the executive in charge of the government and military personnel. The chief legislature is also the enforcer of the laws established by the executive branch.
what is the role of the national executive
Judicial,executive,legislature
chooses the executive leader
Under checks and balances system of constitution, executive branch "checks" legislative branch through veto power. Executive branch "checks" judicial branch through appointment power (appointing judges/justices).
There is a direct relationship between executive and legislature in Nigeria's fourth republic. The legislative will make the laws and the executive is tasked with the duty of implementing these laws.