Inside of living space, which individual animal shares with other members of the species, and which provides it with security and food, it is usually allocates a territory with clearly defined boundaries. Are deep in this area cover, burrow, nest or den up individual area, fiercely protects animals against any intrusion (not excluding the invasion and sometimes male, if the pairing has already happened).
On what areas or individual sites are needed for individuals, little is known. Size of the territory and the degree of protection vary from person to person, depending on age, social status, etc. Individual same area is invisible space, that everyone needs man and in which it is difficult to tolerate the presence of other people. Interpersonal distance established unwritten rules and varies in different cultures. For example, residents of Northern Europe need more isolation than the representatives of African, Arab and South American communities.
For Western societies, there are four main zones, the size of which depends on the degree of closeness of the relationship between people. They correspond to:
1) intimate distance, ranging from direct physical contact of up to 20 cm from the partner's body;
2) personal distance ranging from 45 cm to 1.2 meters, enabling people to be each other at arm's length;
3) The social distance ranging from 1.2 to 3.5 meters, in which the possibility of physical contact is replaced by voice contact;
4) "public" distance of more than 3.5 meters, which is installed at public meetings, in court, classrooms, etc.