A window blind is a type of window covering which is made with slats of fabric, wood, plastic or metal that adjust by rotating from an open position to a closed position by allowing slats to overlap. A roller blind does not have slats but comprises a single piece of material.
something that is oriented vertically
at right angles to the plane of the horizon or a base line; "a vertical camera angle"; "the monument consists of two vertical pillars supporting a horizontal slab"; "measure the perpendicular height"
A vertical line or plane
An upright structure
relating to or involving all stages of a business from production to distribution
The distance between the highest and lowest points of a ski area