A starters guide to staircase terms.

There are plenty of staircase terms and often it will depend on who you deal with and especially the country. So, to begin with here are just a few terms with some pictures, which you might hear and perhaps this will help.

Baluster(or spindle): The vertical posts that make up the railing on a staircase.
Balustrade: The railing along the edge of a staircase, consisting of balusters, a handrail, and sometimes a baserail.
Going: The horizontal distance between the treads (nosing to nosing) (A) of a stair.
Handrail: The rail on a staircase that is intended to be grasped for balance while using the stairs.
Landing: A platform at the top or bottom of a flight of stairs, or between flights.
Newel: The large post at the top, bottom, or turn of a staircase, where the handrail terminates.
Nosing: The overhanging edge of the tread that projects beyond the riser.
Platform: A landing, especially a large or elaborately designed one.
Rise: The vertical distance between the tops of two adjacent treads. The total rise of a flight of stairs is the vertical distance between the starting and ending floors.
Riser: The vertical board at the front of a step.
Run: The horizontal distance under a tread, in the direction of travel.
Skirtboard: A board that is fastened to the underside of a stringer to hide the underside of the treads.
Stringer: The inclined board along which the treads and risers of a staircase are supported.
Tread: The horizontal part of a step that is walked on.
Winder: A triangular or wedge-shaped tread used to change the direction of a staircase.