Zoning is a tool that most cities use to govern âusesâ (e.g. residential, commercial, or industrial), the size of buildings, and how buildings relate to their surroundings, including other buildings, open spaces, and the street.n the U.S., zoning began as a tool to separate uses from one another, and in particular was used to separate more impactful uses (manufacturing) from more sensitive uses (residential). This type of zoning is largely known as Euclidean Zoning, named after the U.S. Supreme Court Case that legitimized the use of the tool.
covert operation. n an intelligence operation so planned as to permit plausible denial by the sponsor. Types: black operation.
Covert operations, by definition, are difficult to examine. Because they are shrouded in secrecy, one is never sure whether all the relevant data concerning their scope, origin, and degree of success are at hand. Yet it is apparent that governments will continue to insist on having covert operations as an option.ronically, after the CIA was formally established on September 18, 1947, covert action became the top priority. The CIA undertook such operations under pressure from leading U.S. officials of the day to support basic U.S. foreign policy.