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.
adj. Characterized by, acting with, or suggesting stealth or a desire to avoid discovery; surreptitious: J.W. from time to time gave her a furtive squeeze of the hand, but they never got to go out alone any more (John Dos Passos). See Synonyms at secret.