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Level 2. Interaction Units

Level 2 groups interactions units. An Interaction Unit is the user perceptible user interface in given point of time where the user interacts with the system.

The Presentation Units [Bodart, 1994] abstract these contexts as a set of AIOs [Vanderdonckt, 1993] (Abstract Interface Objects) discarding design issues. Interaction Units are Presentation Units dealing not only with presentation but also supporting behavioral and task constraints.

Some very common Interaction Units are:

Representation

An Interaction Unit is represented by a wireframe box showing its name and its type in the inner space.

 

 






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