Great Colonnade at Palmyra The western colonnade was the first section to be built. Inscriptions found on some columns confirm that works started before 158 CE. The straight avenue ran in northwest-southeast direction and stretched for , the longest of the three sectors. The main avenue's width was while the side streets were in width. The colonnade's western terminus, the West Gate, was built in the late second-century CE. The avenue also connected in a right angle to the Transverse Colonnade which stretched to the Damascus Gate in the south. The eastern sector of the Great Colonnade started at the Monumental Arch and stretched
The purpose of a system is what it does be balanced by a more straightforwardly descriptive view. The term is used in many fields including biology and management. The purpose of a system is what it does The purpose of a system is what it does (POSIWID) is a systems thinking heuristic coined by Stafford Beer. Stafford Beer coined the term POSIWID and used it many times in public addresses. In his address to the University of Valladolid, Spain, in October 2001, he said "According to the cybernetician, the purpose of a system is what it does. This is a basic dictum. It stands for bald fact, which makes