 Dear students, in this module we are going to talk about understanding social interaction. This is one of the key aspects in the field of sociology that we need to understand the social-interactional processes if we really want to understand the human behavior. So social interaction refers to the ways in which people communicate, relate and influence each other in a social context. When we talk about the social relationships of society, social context, then we need to understand the social-interactional patterns to understand them. The relationship between people is based on the basis of what is the style of conversation or communication. And how do we use the relationships that are related to each other? We try to understand all these things through social-interactional patterns. So interaction can be verbal or non-verbal and can occur in various social settings and in different cultural contexts. So it is not necessary that we use the language in a very simple way. In fact, the symbols or gestures of our verbal and non-verbal patterns communicate with the interaction patterns and we reflect our behaviors through the interaction patterns. Understanding social interaction is important. Why? Because to analyze and explain the social phenomena and social change in a society. In any society, the social-interactional patterns help us to understand the human behavior, the composition of that society, its structure and its relationship patterns. If we take the example of the Pakistani society, we can say that for example, analyzing the impact of social media and on social interaction and communication patterns in the Pakistani society. So social media is like a recent phenomenon. What is the impact of its Pakistani social-interactional patterns? Do you see the changes in the communication patterns between people? People use a lot of abbreviations and slang words. So all these things gradually become a part of our language. And interestingly, the interaction patterns also change along with the medium of communication. So social interaction is a key component to understand the society and its behavior.