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In object oriented design (OO), we give clear responsibility to each object. Object is like a black box which can receives and sends messages. All the objects together form the complete system. Design patterns by gang of four introduced many general reusable solutions to a commonly occurring problems in software design. I always use to correlate interactions between objects to real life interactions involving people and or real things. If you look around, you can see many real life examples for patterns but played out with people instead of real objects. In this article, I will try to explain few of these real life examples of design patterns to you.