is step and stair the same thing
Best Answer - Chosen by the Asker. A stair refers to the individual step. A stairway and staircase mean the same thing and refer to a set of stairs between one floor and another. This usually refers to an open or semi-open set of stairs such as in a house. A stairwell usually refers to a set of stairs that are surrounded by walls, such as an emergency exit in an office building, hotel, or school.