казахстан - президентская республика. Опишите о чем это, и перевод

The Republic of Kazakhstan is a unitary state with the presidential system of government. Under the Constitution, Kazakhstan is a democratic, secular, legal and social state which recognizes the man, his life, rights and freedoms as the supreme values of the country.
Kazakhstan gained independence on December 16, 1991. Astana is the capital city of the country. Kazakh language is the official language of Kazakhstan. The Russian language has the status of the language of interethnic communication. The unit of currency used in Kazakhstan is tenge.
The President of the Republic of Kazakhstan is the head of state, the highest political official, who determines the main directions of the domestic and foreign policy of the country and represents Kazakhstan on the international arena. The President is a symbol and guarantor of the national unity and the state power, inviolability of the Constitution, as well as the rights and freedoms of an individual and citizen.
The Government implements executive powers, heads the system of executive bodies and exercises supervision of their activity.

The country is divided into 14 administrative zones and has 2 cities of national significance.
The population of Kazakhstan exceeds 17 million people.