Defined to be a system in which a conglomeration of ideas or related topics share a common ground. There are 2 main ideas of Networks one is local area networks LANs and the other is wide area networks WANs.
    On the following review about networks I will try to focus upon the key concepts behind the ideology of LANs and WANs.
    To achieve a better and plain understanding I will recall each type of network design and their primary goal for their implementation.