The Anatomy of an Information Architecture - Defining Information Architecture
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Thus far, we’ve noticed all sorts of things that aren’t information architecture. So what is recognizable as information architecture? You might be surprised by how much information architecture you can see if you know how to look. For example, the information has been structured in some basic ways, which we’ll explain in later chapters:
Organization systems
Present the site’s information to us in a variety of ways, such as content categories that pertain to the entire campus (e.g., the top bar and its “Calendar” and “Academics” choices), or to specific audiences (the “I am a...” area, with such choices as “Prospective Students” and “Staff Member”).
Navigation systems
Help users move through the content, such as the “A–Z Directory” and the “Go Quickly To...” menu of popular destinations.
Search systems
Allow users to search the content. Here, the default is set to search the Gustavus site, but one could also search the Gustavus calendar, its directory, or the whole web from the site’s search interface.
Labeling systems
Describe categories, options, and links in language that (hopefully) is meaningful to users; you’ll see examples throughout the page, some (e.g., “Admission”) more understandable than others (“Nobel Conference”).
Figure 4-2 provides a visualization of these architectural components.
As we can see from this figure and from Figure 4-3, these areas are just the tip of the iceberg. Categories group pages and applications throughout the site; labels systematically represent the site’s content; navigation systems and a search system can be used to move through the site. That’s quite a lot of information architecture to cram into one screenshot!
Figure 4-2. This page is crammed with architectual components
Next: Answering User Questions >>
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 This article is excerpted from chapter four of Information Architecture for the World Wide Web, Third Edition, written by Peter Morville and Louis Rosenfeld (O'Reilly, ISBN: 0596527349). Check it out today at your favorite bookstore. Buy this book now.
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