Multib versus Bitaddress, how do they relate?

[antoniopereira]

My Multibit bitcoin assingned me address: 1Jyjd19gHp1ZiERTD3dTJbBZFKFGyGiTjZ But If I use the https://www.bitaddress.org
1CV6gUhtKjucPEz9DJugWY8oDCfZAUNQtp , the bitaddress generates the latter new one. What are the use of the second bitcoin address if multibit has already created one?

http://www.dukascopy.com/fxcomm/blog/?action=post-show&post_id=16826

[blacksails]

My Multibit bitcoin assingned me address: 1Jyjd19gHp1ZiERTD3dTJbBZFKFGyGiTjZ But If I use the https://www.bitaddress.org
1CV6gUhtKjucPEz9DJugWY8oDCfZAUNQtp , the bitaddress generates the latter new one. What are the use of the second bitcoin address if multibit has already created one?

http://www.dukascopy.com/fxcomm/blog/?action=post-show&post_id=16826

Nothing.
I don't really understand what you mean, but you only need one address.