These concepts describe the 'parts' of what makes good user-centered design:
ease of use
ease of learning or learnabililty
efficiency
memorability
error recovery
user satisfaction
flexibility
consistency
Choose ONE usability concept and describe how you think that particular concept is important to your particular interface evaluation. Don't forget to focus on the readings to help give you a clear context for describing the usability concept. (Please try to remember to change the subject line. For example, if you are interested in memorability, please reply to this post, then change the subject line to "memorability