Connection means something to be added with another something. Sometimes it means one sort of relation. WE use to say that I have no connection with my freinds, We have no relation or connection with our neighbours etc. This is the application of the term connection. Connection means to connect something with another something else. It may be human relations or may be another material connectivity. In our body there are different parts which are connected with each other in such a way that they can play their role very smoothly and sincerely. THe ears, the eyes, the nose, the head, the hands etc are playing their roles in our body in different and specific ways. Not only in our huiman body but also in other machines and factories there are a number of parts which act in a harmonical order and discipline.