Descriptive links used to house extensive descriptions for complex figures.
Data entry field
A visually well-defined location on a page where users may type data.
Decision table
An information mapping method that tables complicated logic
Deep linking
Hypertext link to a page on a Web site other than its home page
Density, page
A measure of the percentage of the screen that is filled with text and graphics.
Design validation
An assessment of a website's functions and elements correspondence as identified initially with the design and the end user?s actual needs.
Design verification
An assessment of the interface's correspondence with the design that was defined
Destination page
The location in a Web site where a given user goes after clicking on a link. [See also Target page or Landing Page]
Diary Study
Research method that involves providing participants with the materials and structure to record daily events, tasks and perceptions around a given subject in order to gain insight into their behaviour and needs over time.
Direct user data
The feedback that comes from a face-to-face research method such as a one on one interview or focus group.
Disability
A limitation in an ability
Download time
The amount of time required for a requested page to fully appear on a user's screen.
Drop-down list
Screen-based controls in which one list item shows, and the remaining list items are hidden until users click on a downward-facing arrow. Drop-down lists allow designers to preserve screen real estate while maintaining the ability to present a full suite of options to users.