The word "window" comes from the latin "ventus" which means wind and refers to the ability of this architectural device to provide air into a house or building. A window is a vain, a hole or hollow which towers above the ground and which adopts various forms and characteristics with the purpose of lighting and ventilation, but which can also have a purely aesthetic purpose.
A window consists of several parts: the actual hole that can be square or round (ox eye) but even take other more unusual forms; the vertical framing the window; often a sill or window sills bordering to the window at the bottom; and a lintel or arc that closes it at the top. In general, the hole in the window is covered by glass or some kind of transparent material, while it allows entry of the lighting and the possibility of squint out, protects from the cold and the heat of every climate-friendly. At the same time, the window usually has a mechanism for closing or opening which divides it into one or more leaves to open fully or partially.
There are many types of windows. The drop, which has leaves on the edge that open outwards or inwards, or up and down. The slide or slide, it is one that allows sheets will slide by the framework instead of opening outward or inward. The guillotine, is one that opens up or down in vertical guides. The swingarm, a window that revolves around an axis in the center of the frame. And, among others, the fixed, that window which only allows entry of light but can not open or close. This last is often located in attics or upper spaces, where the admission of lighting but not air is needed.
Article contributed by the team of collaborators.