Baby Names Beginning With "C": Meaning: Keeper of Records, Secretary?

Questions

The aardvark is the first animal listed in a dictionary but what is the second?

"Send me a postcard, drop me a line, stating point of view"?

"---------- are all in your mind."Anonymous?

"---------- expands according to our willingness to put up with it."- Barry Farber?

"---------- is a word used in advertising circles to refer to any incident to which the word "emergency" cannot be applied."- Fred Allen?