the entablature of the classical orders had a utilitarian origin, likely from stone and timber framing, post and lintel structure, which over time became decorative and then the subject itself, the primary source of retrospective repetition : this original timber frame, post and lintel formation resulted in the entablature proportions and provided the map : for the development of architectural proportions : the original considerations for formulation are lost, but the result is perpetuated, ensconced in culture, and becomes the subject for further development