How the structure of the Brazilian State works
Brazil is a Presidential Federated Republic composed of the Union, States, Federal District, and municipalities, in which the exercise of power is attributed to distinct and independent organs that are subject to a system of balances to guarantee compliance with the laws of the Constitution.
The country is a Republic because the head of State is elected by the people for a determined period of time. It is a Presidential because the president of the Republic is the head of State and also the head of Government. It is Federated because the States have political autonomy.
It has a multiparty system, or in other words, it allows for the legal formation of various parties. A political party is a free association of people who share the same ideals, interests, objectives, and political doctrines and have the objective of influencing and participating in political power.
The Union is divided into three independent powers that are balanced among themselves. They are the Legislative, which drafts laws; the Executive, who acts to execute programs or provide public services; and the Judiciary, who resolves conflicts between citizens, entities and the State.