Punctuation formerly used as a sentence or paragraph divider. It is still sometimes used in calligraphy. Spanish uses an inverted question mark at the beginning of a question and the normal question mark at the end, as well as an inverted exclamation mark at the beginning of an exclamation and the normal exclamation mark at the end. Armenian uses several punctuation marks of its own. The full stop is represented by a colon, and vice versa; the exclamation mark is represented by a diagonal similar to a tilde , while the question mark resembles an unclosed circle placed after the last
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,