FIFA is the World Governing Body UEFA is the European Governing Body FIFA is deemed the more powerful as it can over-rule any UEFA decision.
Uefa Cup? Yes
Serbia was, is and will be member of UEFA nad FIFA.
EFA is the name used in FIFA 09 to represent the UEFA Tournament. They could not get the license to use the UEFA name and had to make it shorter.
Yes
zidane
caf fifa uefa safa ofc afc
No, it is not going to be in the FIFA 14. EA sports still doesnt have the rights to UEFA Champions league.
You are probably refering to a logo FIFA used where the Title of FIFA had to Soccer balls above it and the continents imposed on the Soccer Ball.
Fédération Internationale de Football Association (FIFA) Union of European Football Associations (UEFA)
Chelsea have never been in the FIFA (not UEFA) Club World Cup. They make their debut in December 2012.
There is a premier European competittion in the game but as FIFA does not have the rights to brand it as the Champions League, it cannot do so. Only PES can for the forseeable future.