application area | metaphor | familiar knowledge |
---|---|---|
operating environment | desktop | office tasks |
spreadsheets | ledger sheet | columnar table |
object-oriented environment | physical world | real world |
hypertext | notecards | organization of text |
learning environment | travel | tours, guides, movement |
file storage | piles | categorizing |
multimedia environments | rooms | spatial structures |
cooperative work | multi-agents | travel agents, servants |