module - "a standard unit of length which is repeated many times and controls the sizes of components and the layout of a building"
"module - longueur qui est prise arbitrairement comme unité de référence pour l'établissement des proportions ... d'un ensemble architectural"

"grid plan - a drawing on which setting out lines called grid lines coincide with the most important columns, walls, and other building elements ..."

" trame - 1) quadrillage qui correspond, sur un plan, au réseau des axes des points d'appui d'une construction (poteaux, pieux de fondation )... 2) ensemble de modules de construction répétitifs...

[Dicobat & Penguin Building Dict.]

.... of the load-bearing structure