An evaluation technique used to demonstrate the difference between the desired state and the current state.
People do not visually perceive items in isolation, but as part of a larger whole. These principles include humans tendencies towards similarity, proximity, continuity, and closure.
Page links or functions of a website or application that are present throughout.
A means to access primary content or functions from every page
An automated action that provides summary information on where a link will take a user prior to the user clicking on the link. Often, glosses appear as a small "pop-up" text box adjacent to a link. The gloss appears as the user moves the mouse over the link that is programmed with the gloss.
When a site utilizes new technology, if disabled, the content maintains effectiveness for the users.
See Visual Design
An element of a user interface that displays information or can be manipulated by the user to pursue a task.
Interactive links that reside in an image rather than hypertext.
Graphical User Interface (GUI)
See User Interface
Images, icons, patterns or other visual representations.
A system of horizontal and vertical lines providing a structural basis for page layout and design.