When sketching out your Web site you create a clear and straightforward site map that divides the Web site content into a logica
l set of topics and subtopics (pages and subpages). Which principle of Web design are you considering when you organize the user interface into a form that is clearly understandable for the user?
While drawing the user's site, the simple, as well as concise sitemaps, is created which separates the scope of that site into such a coherent collection for topics & sub-topics.
So, the Structure concept in website development is regarded while designing a user interface in such a manner which is easily recognizable to the customer.