It means that your penguin is doing a secret mission (You have to be a secret agent which is the secret agency).
It means that you won't remember it you will take it of in the computer when you log in. if you thinking that it can delete it then the answer is no once you once you un-check of remember my password...
CP stands for Club Penguin. :)))) ~Dana~ :}
if you turn your head to the left, it is a silly smiley face
they mean coin codes (off of puffles you buy at stores) and membership codes