Information Architecture

Information architecture (IA) is the structural design of shared information environments; the art and science of organizing and labelling websites, intranets, online communities and software to support usability and findability.

Information Architecture Basics
Usability.gov
A visual vocabulary for describing information architecture and interaction design
Jesse James Garrett
Complete Beginner’s Guide to Information Architecture
UX Booth
The Difference Between Information Architecture (IA) and Navigation
Jennifer Cardello. Nielsen Norman Group.
Information Architecture
Usability First
The Elements of Social Architecture
Christina Wodtke