but de-extrapolations, what some of the root terms mean. The word Architecture has roots in the word Arch, and the arches are an importand design element. Additionally, Arch has roots in the word Arc, and this is the fundamental mathematics of all building and architecture.
Various forms of arches (Sturgis)
More Arch terminology
Perspective section of nave bay of Amiens Cathedral
A) nave arcade, B) triforium, C) clerestory, D) side aisle, E) buttress, F) pinnacle, a) blind arcade, b) compound pier, c) respond, d) mullion, e) tracery, f) traverse rib, g) diagonal rib, h) boss, i) molding profile, j) strut, k) finial
-From Abacus To Zeus, A Handbook Of Art History, James Smith Pierce