For additional terms and more detailed definitions, we suggest EUABC as a user-friendly dictionary of EU-related terminology (maintained by a former Member of the European Parliament).
APEC – Asia Pacific Economic Cooperation forum
ASEAN – Association of Southeast Asian Nations
CAP – Common Agricultural Policy
CCP – Common Commercial Policy
CFSP – Common Foreign and Security Policy
COREPER – Committee of Permanent Representatives
EC – European Community
ECB – European Central Bank
ECJ – European Court of Justice
ECSC – European Coal and Steel Community
EDC – European Defense Community
EDF – European Development Fund
EEC – European Economic Community
EFTA – European Free Trade Association
EMU – Economic and Monetary Union
EP – European Parliament
ESDP – European Security and Defense Policy
EU – European Union
FTA – Free trade area
GATT – General Agreement on Tariffs and Trade
GDP – Gross Domestic Product
GNP – Gross National Product
IGC – Intergovernmental Conference
IR – International Relations
JHA – Justice and Home Affairs
MEP – Member of the European Parliament
NAFTA – North American Free Trade Agreement
NATO – North Atlantic Treaty Organization
NGO – Non-Governmental Organization
OECD – Organization for Economic Cooperation and Development
OSCE – Organization for Security and Cooperation in Europe
QMV – Qualified Majority Voting
SEA – Single European Act
TEU – Treaty on European Union
Third countries: Countries that do not belong to the European Union
UK – United Kingdom
UN – United Nations
WEU – Western European Union
WTO – World Trade Organization