0 of 11 answers are yours. The rest are typical defaults — check each one.
Count the treads; the floor at the top isn’t one, and a landing is asked below.
Tread depth, front to back
default
From the front of the nose to the riser behind it.
Waterfall
Falls from the nose to the next step
Hollywood (wrapped)
Wrapped under each nose and stapled
Runner
A strip up the middle; wood shows at the sides
One side open
Balusters on one side
Pie-shaped (winder) steps
default
Steps that turn a corner; each counts in the steps above too.
Removing old carpet and tack strip?