vi·gnette
n.
1. A decorative design placed at the beginning or end of a book or chapter of a book or along the border of a page.
2. An unbordered picture, often a portrait, that shades off into the surrounding color at the edges.
3.
1. A short, usually descriptive literary sketch.
2. A short scene or incident, as from a movie.
Source: http://wiki.answers.com/Q/What_is_a_vignette
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