Comprehension refers to the interpretation or understanding that a consumer develops about some attended stimulus in order to assign meaning, while the process by which continuous exposure to a stimulus affects the comprehension of and response to some stimulus is known as habituation. Cmrehsnion means that the customers are accurately understanding the message sent to them.
Number 2 is the answer
Distance, Time
I would say New Year's Eve, but that doesn't really count.
Other than Christmas and New Year's Day itself I would say they aren't any U.S. holidays between those two. Tight gap. About 2 weeks apart.