Association: An association is formed or created by people. It is a social group. Without people there can be no association. It is an organized group. An unorganized group like crowd or mob cannot be an association.
Common interest: An association is not merely a collection of individuals. It consists of those individuals who have more or less the same interests. Accordingly those who have political interests may join political association and those who have religious interests may join religious associations and so on.
Cooperative spirit: An association is based on the cooperative spirit of its members. People work together to achieve some definite purposes. For example a political party has to work together as a united group on the basis of cooperation in order to fulfill its objective of coming to power.
Organization: Association denotes some kind of organization. An association is known essentially as an organized group. Organization gives stability and proper shape to an association. Organization refers to the way in which the statuses and roles are distributed among the members.
Regulation of relations: Every association has its own ways and means of regulating the relation of its members. Organization depends on this element of regulation. They may assume written or unwritten forms.
Association as agencies: Associations are means or agencies through which their members seek to realize their similar or shared interests. Such social organizations necessarily act not merely through leaders but through officials or representatives as agencies. Associations normally act through agents who are responsible for and to the association.
Durability of association: An association may be permanent or temporary. There are some long standing associations like the state; family, religious associations etc.Some associations may be temporary in nature.