The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
Includes all such materials as curtains, draperies, streamers, surface coverings applied over the building interior finish for decorative, acoustical or other effect and also cloth, cotton batting, straw, vines, leaves, trees and moss used for decorative effect, but it shall not include floor coverings, ordinary window shades nor materials 1/40 of an inch or less in thickness [NOTE: May be measured by folding a piece to five thicknesses and measuring to see if the thickness of five layers exceeds 1/8 inch.] applied directly to and adhering tightly to a noncombustible base.
A room or space used for assembly or educational occupancy for 100 or more occupants, or which has a floor area of 1,500 square feet or more used for such purposes. Such room or space shall include any similar occupied connecting room or space in the same story, or in a story or stories above or below, where entrance is common to the rooms or spaces.