Final answer:
The author's purpose in writing cards, letters, and questionnaires is to explore and maintain relationships with others.
Explanation:
Purpose in Writing: The author's purpose in writing cards, letters, and questionnaires is typically to maintain and explore relationships with others. These forms of communication serve to connect with recipients, express emotions, share information, and foster interpersonal bonds. They are not primarily aimed at explaining, persuading, retelling, instructing, or describing, but rather at interpersonal connection.
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