As a mean of individualization and identification, a logo has a number of predetermined requirements. The variety of demands to the logo comes from the fact that the conditions, in which operate countless participants of the market, are also significantly varied. Therefore, you have to take into account different sectoral characteristics, the nature of competition, product type, positioning, and many other.
However, among the variety of the requirements for a relevant logo, there are a few basic ones, compliance with which is a must, regardless of the specifics of the business.
