"As a starting point we took David Tudor's diagrams for 'Untitled' (1972), and we analyzed the active components one by one, looking at the way they are played, and we saw that the performance can be described by 23 graphic shapes (ideograms) combined in a visual map that can be traversed in an infinity of ways. This is how we established our visual language space, which can be entered at any point, and traveled in any direction simultaneously."

http://www.emf.org/tudor/About/toneburst_frag.html

The twelve Chinese ideograms representing the twelve signs of the Chinese zodiac
(To be read from top to bottom of each column and from right to left)

Document Consisting of Ideograms
Late 4th-early 3rd millenium BC
Stone H 4.3 cm, w 2.3 cm
Iraq, Uruk
http://www.hermitagemuseum.org

A Japanese typewriter
Japanese typewriter with trays containing ideograms. ca.1930
© Science Museum/Science & Society Picture Library

A Tray of Ideograms
ca. 1930
© Science Museum/Science & Society Picture Library

Heiroglyphics chart
From http://www.unifon.org/saundspel.html