Stairway, staircase, stairwell, flight of stairs, or simply stairs is a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps.
One might forfeit one’s right when one takes demo texts personally. These kinds of articles were – and still are – written for demo purposes. Do not take them seriously.
Daylighting is the practice of placing windows or other openings and reflective surfaces so that during the day natural light provides effective internal lighting.