Bifocal Display User Experience (UX) topic overview/definition
Literature on Bifocal Display
Ch 7: Bifocal Display
The Bifocal Display is an information presentation technique which allows a large data space to be viewed as a whole, while simultaneously a portion is seen in full detail. The detail is seen in the context of the overview, with continuity across the boundaries, rather than existing in a disjoint window (see Figure 1). ...