Answer: b. a message that is not partial, misinterpreted, or filtered; the entire message.
Explanation: The denotation of a word is the literal meaning, the definition we can find in a dictionary (it is the contrary of the connotation, which is the meaning given by the context of the word). In this case, from the given options, the one that best defines the term "total meaning" is "a message that is not partial, misinterpreted, or filtered; the entire message" we can know this because the denotation of the word "total" is complete or absolut.