3 ms·

Perhaps relate it to tabbed folders in a file cabinet?

• stan_rogers 7y ago
  ...or good old-fashioned recipe cards. Most card files were arranged with tabs, but a box of recipe cards would be more than familiar to anyone my age or older. (You'd pretty much have to have lived out of cans and/or on restaurant meals to have avoided them.)
  • jpindar 7y ago
    Or a rolodex or a card catalog in the library... these are where the idea came from.