Vignelli's 6 typefaces

Bodoni- Upper case 'r' has to versions, one with straight tail and one curved
              square dot over the letter I
              upper case 'j' has a slight hook
              vertical stress
              slight serif bracketing
              widely used for posters and headlines

Futura- geometric sans serif
             based on geometric shapes
             headline and body font
           
Times Roman- serif type
                         short ascenders/descenders
                         high x height
                         tall lower case letters

Century expanded- Finely pointed serifs
                               strokes ending in fine tapers
                               stroke contrast is low
                               ball terminal on hook of 'f'

Helvetica- tight spacing between letters
                  tall x height
                  narrow 't' and 'f'
                  square looking 's'
                  closed aperture

Garamond- top serifs curve back into the letter
                   scooped serifs
                   semi parallel angled serifs
                   soft rounded serifs