a set of steps with risers (vertical pieces) and treads (horizontal pieces) one or more handrails metal balusters or spindles a banister or railing along the side of the stairs a landing at the top or bottom of the stairs a newel post at the bottom or top of the stairs a baseboard or other decorative molding at the bottom of the stairs
stair which is a set of steps with risers (vertical pieces) and treads (horizontal pieces) stair which has one or more handrails stair which has metal balusters or spindles stair which is a banister or railing along the side of the stairs stair which is a landing at the top or bottom of the stairs stair which is a newel post at the bottom or top of the stairs stair which is a baseboard or other decorative molding at the bottom of the stairs