Logo is a mark, emblem, or symbol, either purely graphic (symbols/icons) or are composed of the name of the organization (a logotype or wordmark) or a combination of both, responsible for introducing, recognizing or identifying a commercial enterprises, organizations or corporations.
Using logo or symbol as a way of communication has a long history beyond. Since thousand years ago, there have been some marks used as symbols on different things such as the flogs, the earthen jars, goods and routine products to introduce the identity of a country, a corporation or even individuals and they have been playing a key role in developing the business, cultures and societies by summarization of creating meanings and identities.
In today’s world, given the growth of companies, factories, organizations and also different governmental and non- governmental institutes, the logo is considered more essential than before. The logo designing has turned into a professional and organized activity due to the develop and progress of the science of graphic design and we have to consider many factors such as psychology, chromatics, aesthetics, printings, designing and marketing which proves the importance of this issue.