Description is one of four rhetorical modes (also known as modes of discourse), along with exposition, argumentation, and narration. Each of the rhetorical modes is present in a variety of forms and each has its own purpose and conventions. The act of description may be related to that of definition. Description is also the fiction-writing mode for transmitting a mental image of the particulars of a story. Definition: The pattern of development that presents a word picture of a thing, a person, a situation, or a series of events.

https://en.wikipedia.org/wiki/Description

"We long to be here for a purpose, even though, despite much self-deception, none is evident."
Carl Sagan
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