1) Commission 2) Committee 3) Moscow group 4) Praesidium 5) Type of organization 1) Praesidium 
The presidium or praesidium (from Latin praesidium meaning protection or defense, so plural presidia or praesidia) is the name for the heading organ of various legislative and organizational bodies. ==Historical usage== Historically, in Germany the Presidium of the national legislature (Bundestag, Reichstag) is responsible for the routine administ...
(of the Communist Party) The CPSU Politbiuro was called the Presidium between 1952 and 1966.(of the Council of Ministers) The executive committee of the national executive branch of the government.(of the Supreme Soviet) The executive committee of the national legislative branch of the government.
(from the article `Union of Soviet Socialist Republics`) At this congress the name of the party was changed to the Communist Party of the Soviet Union (CPSU). Stalin also changed the organization of the ...
Name (1952-66) of the Politburo, the executive committee of the Supreme Soviet in the USSR. ...
[n] - a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session
The CPSU Politburo (q.v.) was called the Presidium between 1952 and 1966.The executive committee of the national executive branch of the government.The executive committee of the national legislative branch of the government.
praesidium noun a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session
(in the Soviet Union and other Communist countries) an administrative committee, usually permanent and governmental, acting when its parent body is in recess but exercising full powers: the presidium of the Supreme Soviet.