Physics Goals of BaBar

http://polywww.in2p3.fr/babar/ph/ph.html

The study of violation in B decays is the primary physics objective of BaBar[].Alamba^4betaalphaZ^0Z^0

That is as maybe but I am still in a state of uncertainty.. What do penguins have to do with Quantum Chromo Dynamics? And, in any case, wasn't Babar an elephant?