A senior policymaking body in a political organisation, generally consisting of members who either are appointed by the party in control of the organisation or who attain membership through their personal political affiliations
The governing council of the Communist Party of the Soviet Union and other Leninist political systems
The elite committee of the Communist Party of the Soviet Union, responsible for determining policy
The highest and most powerful group of policymakers in the former Soviet Union, chosen from the membership of the Central Committee of the Communist Party
the day-to-day governing body of the communist party; technically (though not usually in practice) subordinate to the decisions of the larger Central Committee
Short for political bureau, the directing body of the Communist Party empowered to act between meetings of the full Central Committee