The answer that i think best fits your question is c - a metaphor
Generally, a travelogue provides a place to preserve memories, provide a purpose for travel, and offer a connection with local communities. The main purposes of a travelogue though are to inform readers about a place, landscape or culture. A travelogue is a truthful account of an individual's experiences traveling, usually written in the past tense and in the first person.
It's meant to inform and explain.
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the answer your looking for is D like i said before i had the same thing yesterday hope this helps ^^
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