The human activity of visual perception and interpretation of electronic content when there is no specific target object being sought
The human activity of clicking or tapping on a sequence of elements in an information display that results in a sequence of screens of information state
Definition (1) implies something about the mental intent of the user performing the act of information processing. The intent can be to learn the gist of “what is there.” It may be to take in information in order to be entertained or informed. Or it may simply be a part of involuntary visual scanning within an environment. In the physical world, examples include flipping through the pages of a book, scanning quickly through a menu, or glancing down a store aisle.
Definition (2) is used in the context of contrasting the human-computer interaction paradigm of...