Valances
The precise definition of the word valance is: An ornamental drapery hung across a top edge, as of a bed, table, or canopy. In draping or bunting form they are commonly referred to as swag
But that truly doesn’t do this specific design element, justice.
They can be purely aesthetic or a tool to hide drapery hardware, and darken a room more thoroughly.They add height and interest to any home decor.