Proxemics

Proxemics is a study of set of measurable social distance.
which is means that in every social interactions there are some kind of measurable distance that can be accounted in every social interactions between a person with another person,,

    * Intimate distance for embracing, touching or whispering
          o Close phase – less than 6 inches (15 cm)
          o Far phase – 6 to 18 inches (15 to 46 cm)
    * Personal distance for interactions among good friends or family members
          o Close phase – 1.5 to 2.5 feet (46 to 76 cm)
          o Far phase – 2.5 to 4 feet (76 to 120 cm)
    * Social distance for interactions among acquaintances
          o Close phase – 4 to 7 feet (1.2 to 2.1 m)
          o Far phase – 7 to 12 feet (2.1 to 3.7 m)
    * Public distance used for public speaking
          o Close phase – 12 to 25 feet (3.7 to 7.6 m)
          o Far phase – 25 feet (7.6 m) or more