Certain animals such as ants, bees, termites and several species of monkeys are social, that is they live in communities. The social life of some of these gregarious animals is characterized by some very significant and interesting systems.Man is also a social and gragarious animal that has the most varied and the most interesting social life that we know.
Social life usually originates from a set of natural or acquired ties which join together a number of individuals and turn them into a coherent community. This coherent community is called a society.
There are many kinds of society and from different angles it can be divided into various classes.
Some of these classes are limited and small, like family, and some of them are big and vast, such as tribe, clan; community, nation etc.