Presentation Layer Design Process

Inputs

What must the UI enable users to do?
— Requirements

“Do the simplest thing that could possibly work.”
Kent Beck - XP Founder

Artifacts

How should the UI be organized and what capabilities/information needs to be presented to the users?
— Essential Use Cases
— Information Architecture
— Personas
— Scenarios
— Interaction Design
— Paper Prototyping
— Wireframes
— Comps

“Entities should not be multiplied beyond necessity.”
William of Ockham - 14th Century Logician

Deliverables

What presentation layer code is handed off to be developed for the users?
— xhtml Mockups
— Cascading Style Sheets
— JavaScript

“Simple design and intense content produces beautiful evidence.”
Edward Tufte - The 21st Century Leonardo da Vinci of Data