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Visual presentation of all system components enables to determine whether the website presents information well and intuitively and thus meets its objectives, and whether it is easy and understandable even for inexperienced users.

Creation of the usability model is a starting point for the project, with its basic objective being development of a coherent, functional and clear structure of any site. This provides a background for graphic designers and programmers, complementing the technical specification. The preliminary sketch, that is the model, presents functional navigation routes, planning and distribution of information architecture or planning and distribution of contents.