application areametaphorfamiliar knowledge
operating environmentdesktopoffice tasks
spreadsheetsledger sheetcolumnar table
object-oriented environmentphysical worldreal world
hypertextnotecardsorganization of text
learning environmenttraveltours, guides, movement
file storagepilescategorizing
multimedia environmentsroomsspatial structures
cooperative workmulti-agentstravel agents, servants

interaction styles