In flash fiction, description differs from that in longer stories primarily in the way it uses language. The correct option would be:
It includes a few vivid nouns and verbs rather than lots of adjectives.
In flash fiction, writers must convey meaning and evoke imagery quickly and efficiently due to the limited word count. This often means relying on strong, impactful nouns and verbs that carry more weight than numerous adjectives, helping to create a vivid picture in the reader's mind without extensive elaboration. Longer stories have more room for detailed descriptions, allowing for a more elaborate exploration of characters and settings.