Stairs are used to create a pedestrian path between different vertical levels by dividing the height between the levels into manageable steps. Very generally, the word ‘stairs’ refers to a staircase, whereas the word ‘step’ refers to the individual steps that make up the staircase. Stairs, particularly in domestic bases, may also include guarding to one, or both sides, in the form of a banister, that is, an assembly of uprights and a handrail.
