What is another word for horizontal surface?
Pronunciation: [hˌɒɹɪzˈɒntə͡l sˈɜːfɪs] (IPA) 
Horizontal surface refers to a flat, level terrain or platform where objects rest parallel to the ground. There are several terms used synonymously with horizontal surface, including level ground, even plane, smooth platform, flat terrain, plain surface, smooth floor, and leveled area. The term is often used in architecture and construction to refer to surfaces such as roofs or floors. Horizontal surfaces are also important in engineering, where they affect the stability and balance of structures. These synonyms help to describe a surface that is free from gradients, slopes, or other elevations that would prevent objects from lying flat on it.
