vertically sliding balanced sash
1Sash window — A Georgian house in England with sash windows A sash window or hung sash window is made of one or more movable panels or sashes that form a frame to hold panes of glass, which are often separated from other panes (or lights ) by narrow… …
2interior design — 1. the design and coordination of the decorative elements of the interior of a house, apartment, office, or other structural space, including color schemes, fittings, furnishings, and sometimes architectural features. 2. the art, business, or… …
