The document discusses user-centered design (UCD) and usability. It states that UCD involves molding interfaces around how users work, testing designs with real users, and that training cannot replace good design. UCD is described as a philosophy, methodology, and way of doing business that improves usability. Usability is the measurable outcome of UCD and results in interfaces being efficient, easy to learn, effective, error-tolerant, and engaging. The document advocates understanding users, using standard practices, and extensive testing to improve usability.

1. 30 April, 2005 Usability and User Centered Design