Your portfolio is a collection of work that visually represents your interests, explorations and abilities in the field of design. To be effective, your portfolio should be an engaging narrative that demonstrates, through your projects, your strengths, passions and goals as a designer. Curating and designing your portfolio is a challenging task, but also a rewarding opportunity to reflect upon your past, present and future objectives in the discipline.
The specifics of portfolio design are covered in DES 488 and DES 480. We also recommend the following articles:
Portfolio Preparation Tips and Suggestions (Core77)
Creating a Successful Online Portfolio (Smashing Magazine)
Presenting Your Portfolio (Steff Geissbuhler)
10 Essential Tips for Creating that Killer Portfolio (Design Sojourn)