step-like recession in a wall From Wikipedia, the free encyclopedia
A setback, in the specific sense of a step-back, is a step-like form of a wall or other building.[1] Importantly, one or more step-backs lowers the building's center of mass, making it more stable.
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.