Wuyi tea Because green tea formed the bulk of their imports, and because the Wuyi region was initially the main source of the darker teas available to them, the term "Bohea" (based on the local Fujianese pronunciation of "Wuyi") became a blanket name in English for all dark teas; the modern designations "black" and "oolong" were not yet in use. Over time, distinctions began to be made between different dark teas. Lapsang souchong, a Wuyi tea and possibly the first black tea to be produced, was separately traded as "Souchong" for a higher price, while the highest quality black tea was given
The purpose of a system is what it does 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 a better starting point in seeking understanding than the familiar attributions of good intention, prejudices about expectations, moral judgment,