The document discusses several themes related to information architecture (IA), including: 1. It introduces IA as the art and science of organizing and labeling websites, intranets, and online communities to support usability and findability. 2. It describes IA as an emerging community of practice focused on bringing principles of design and architecture to the digital landscape. 3. It discusses moving from data to information to knowledge through design that supports usability, findability, and understandability.