Final answer:
Flash fiction and vignettes are characterized by short length and compression, requiring concise storytelling within a limited word count.
Explanation:
Flash fiction and vignettes share the characteristic of short length and compression as genres. Both flash fiction and vignettes focus on brevity, requiring writers to convey a complete story or idea within a limited word count, typically ranging from 150-500 words. This concise format challenges writers to be specific and impactful in their storytelling, often leaving room for the reader to fill in gaps and engage actively with the text.
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