A description that appeals to the senses (what is seen, heard, smelled, tasted or touched) and makes the reader perceive the scene, not just understand it.
In Madame Bovary
the little cardboard berries crackled, the wire threads twisted, the braid melted; and the paper corollas, shriveled, swaying along the plaque like black butterflies, finally flew up the chimney
The burning is described in stages that the reader sees and hears: the cardboard berries "crackled," the wire threads "twisted," the braid "melted." The verbs in sequence make the bouquet come apart before our eyes, without comment.
Part I, Chapter 9, the narrator
the wood of the coffin, struck by the stones, made that formidable noise which seems to us to be the reverberation of eternity.
Part III, Chapter 10, the narrator
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