Activity theory is that particular theory through which a person is able to show his or her involvement with a larger group. Activity system is the structure that helps to be connected and involved with the entire procedure. It helps to identify the good and bad qualities of a group by analyzing the responses. Genres are the different segments to which individuals belong. It helps an individual to have control over own expression and behavior. It is possible that the group members are having a huge difference but the individual has to try their best to cope up with the group members.