Answer:
Nobility was/is still in some countries a social class which possesses more acknowledged privileges or eminenece than members of most other classes in a society, membership therein typically being hereditary. The privileges associated with nobility may constitute substantial advantages over or relative to non-nobles, or may be largely honorary (e.g. precedence), and vary from country to country and era to era. Traditionally membership in the nobility has been regulated or acknowledged by the government. There is often a variety of ranks within the noble class. Legal recognition of nobility is more common in monarchies, but nobility also existed in such republics as the Dutch Provinces, Genoa and Venice, and remains part of the legal social structure of some nonhereditary regimes, e.g. San Marino and Vatican City in Europe. Hereditary titles often distinguish nobles from non-nobles, although in many nations most of the nobility have been un-titled, and a hereditary title need not indicate nobility.