Define WCF ABC , Diffrent Contract. Diff b/w Wcf and in webservice

WCF Technology is used for securring the 
communcation/transaction between Client & server,Its 
contract b/w Client & server,

Webservices can Be consumed by HTTP protocoll,but WCf can 
be consume by any Protocol like HTTp, TCP.
Webservices are not Flexible but WCF is Flexible.

WCF:- windows communication foundation

A :- Adress
B :- Binding
C :- Contract 

WCF is a single package solution for web services,COM+
,remoting ,MSMQ.wcf is a connecting all the tehnologies in a
single application.
wcf is directly connected with web service because web
service design on HTTP or IIS server.